--- /dev/null
+From 71730a0fd9b903581172f4fec70bf2c6ee937429 Mon Sep 17 00:00:00 2001
+From: Sasha Levin <sashal@kernel.org>
+Date: Thu, 6 Sep 2018 14:05:15 +0200
+Subject: mtd: rawnand: Pass a nand_chip object to nand_release()
+
+From: Boris Brezillon <boris.brezillon@bootlin.com>
+
+[ Upstream commit 59ac276f22270fb2094910f9a734c17f41c25e70 ]
+
+Let's make the raw NAND API consistent by patching all helpers to
+take a nand_chip object instead of an mtd_info one.
+
+Now is nand_release()'s turn.
+
+Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Signed-off-by: Sasha Levin <sashal@kernel.org>
+---
+ Documentation/driver-api/mtdnand.rst | 2 +-
+ drivers/mtd/nand/ams-delta.c | 2 +-
+ drivers/mtd/nand/au1550nd.c | 2 +-
+ drivers/mtd/nand/bcm47xxnflash/main.c | 2 +-
+ drivers/mtd/nand/brcmnand/brcmnand.c | 2 +-
+ drivers/mtd/nand/cafe_nand.c | 2 +-
+ drivers/mtd/nand/cmx270_nand.c | 2 +-
+ drivers/mtd/nand/cs553x_nand.c | 2 +-
+ drivers/mtd/nand/davinci_nand.c | 2 +-
+ drivers/mtd/nand/denali.c | 4 +---
+ drivers/mtd/nand/diskonchip.c | 4 ++--
+ drivers/mtd/nand/docg4.c | 4 ++--
+ drivers/mtd/nand/fsl_elbc_nand.c | 2 +-
+ drivers/mtd/nand/fsl_ifc_nand.c | 2 +-
+ drivers/mtd/nand/fsl_upm.c | 2 +-
+ drivers/mtd/nand/fsmc_nand.c | 2 +-
+ drivers/mtd/nand/gpio.c | 2 +-
+ drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 2 +-
+ drivers/mtd/nand/hisi504_nand.c | 5 ++---
+ drivers/mtd/nand/jz4740_nand.c | 2 +-
+ drivers/mtd/nand/jz4780_nand.c | 4 ++--
+ drivers/mtd/nand/lpc32xx_mlc.c | 3 +--
+ drivers/mtd/nand/lpc32xx_slc.c | 3 +--
+ drivers/mtd/nand/mpc5121_nfc.c | 2 +-
+ drivers/mtd/nand/mtk_nand.c | 4 ++--
+ drivers/mtd/nand/mxc_nand.c | 2 +-
+ drivers/mtd/nand/nand_base.c | 8 ++++----
+ drivers/mtd/nand/nandsim.c | 4 ++--
+ drivers/mtd/nand/ndfc.c | 2 +-
+ drivers/mtd/nand/nuc900_nand.c | 2 +-
+ drivers/mtd/nand/omap2.c | 2 +-
+ drivers/mtd/nand/orion_nand.c | 5 ++---
+ drivers/mtd/nand/oxnas_nand.c | 4 ++--
+ drivers/mtd/nand/pasemi_nand.c | 2 +-
+ drivers/mtd/nand/plat_nand.c | 4 ++--
+ drivers/mtd/nand/qcom_nandc.c | 2 +-
+ drivers/mtd/nand/r852.c | 4 ++--
+ drivers/mtd/nand/s3c2410.c | 2 +-
+ drivers/mtd/nand/sh_flctl.c | 2 +-
+ drivers/mtd/nand/sharpsl.c | 4 ++--
+ drivers/mtd/nand/socrates_nand.c | 5 ++---
+ drivers/mtd/nand/sunxi_nand.c | 4 ++--
+ drivers/mtd/nand/tango_nand.c | 2 +-
+ drivers/mtd/nand/tmio_nand.c | 4 ++--
+ drivers/mtd/nand/txx9ndfmc.c | 2 +-
+ drivers/mtd/nand/vf610_nfc.c | 2 +-
+ drivers/mtd/nand/xway_nand.c | 4 ++--
+ include/linux/mtd/rawnand.h | 6 ++----
+ 48 files changed, 67 insertions(+), 76 deletions(-)
+
+diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst
+index 2a5191b6d4459..15449334b1242 100644
+--- a/Documentation/driver-api/mtdnand.rst
++++ b/Documentation/driver-api/mtdnand.rst
+@@ -277,7 +277,7 @@ unregisters the partitions in the MTD layer.
+ static void __exit board_cleanup (void)
+ {
+ /* Release resources, unregister device */
+- nand_release (board_mtd);
++ nand_release (mtd_to_nand(board_mtd));
+
+ /* unmap physical address */
+ iounmap(baseaddr);
+diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
+index dcec9cf4983f8..e22a9ffa9cb73 100644
+--- a/drivers/mtd/nand/ams-delta.c
++++ b/drivers/mtd/nand/ams-delta.c
+@@ -263,7 +263,7 @@ static int ams_delta_cleanup(struct platform_device *pdev)
+ void __iomem *io_base = platform_get_drvdata(pdev);
+
+ /* Release resources, unregister device */
+- nand_release(ams_delta_mtd);
++ nand_release(mtd_to_nand(ams_delta_mtd));
+
+ gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
+ gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
+diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
+index 9d4a28fa6b73b..99c738be2545d 100644
+--- a/drivers/mtd/nand/au1550nd.c
++++ b/drivers/mtd/nand/au1550nd.c
+@@ -496,7 +496,7 @@ static int au1550nd_remove(struct platform_device *pdev)
+ struct au1550nd_ctx *ctx = platform_get_drvdata(pdev);
+ struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+- nand_release(nand_to_mtd(&ctx->chip));
++ nand_release(&ctx->chip);
+ iounmap(ctx->base);
+ release_mem_region(r->start, 0x1000);
+ kfree(ctx);
+diff --git a/drivers/mtd/nand/bcm47xxnflash/main.c b/drivers/mtd/nand/bcm47xxnflash/main.c
+index fb31429b70a9a..d796941608457 100644
+--- a/drivers/mtd/nand/bcm47xxnflash/main.c
++++ b/drivers/mtd/nand/bcm47xxnflash/main.c
+@@ -65,7 +65,7 @@ static int bcm47xxnflash_remove(struct platform_device *pdev)
+ {
+ struct bcm47xxnflash *nflash = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&nflash->nand_chip));
++ nand_release(&nflash->nand_chip);
+
+ return 0;
+ }
+diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
+index f8d793b15a7a9..2bb8e6faa5391 100644
+--- a/drivers/mtd/nand/brcmnand/brcmnand.c
++++ b/drivers/mtd/nand/brcmnand/brcmnand.c
+@@ -2597,7 +2597,7 @@ int brcmnand_remove(struct platform_device *pdev)
+ struct brcmnand_host *host;
+
+ list_for_each_entry(host, &ctrl->host_list, node)
+- nand_release(nand_to_mtd(&host->chip));
++ nand_release(&host->chip);
+
+ clk_disable_unprepare(ctrl->clk);
+
+diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
+index bc558c438a574..98c013094fa23 100644
+--- a/drivers/mtd/nand/cafe_nand.c
++++ b/drivers/mtd/nand/cafe_nand.c
+@@ -826,7 +826,7 @@ static void cafe_nand_remove(struct pci_dev *pdev)
+ /* Disable NAND IRQ in global IRQ mask register */
+ cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
+ free_irq(pdev->irq, mtd);
+- nand_release(mtd);
++ nand_release(chip);
+ free_rs(cafe->rs);
+ pci_iounmap(pdev, cafe->mmio);
+ dma_free_coherent(&cafe->pdev->dev,
+diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c
+index 1fc435f994e1e..7b824ae88ab01 100644
+--- a/drivers/mtd/nand/cmx270_nand.c
++++ b/drivers/mtd/nand/cmx270_nand.c
+@@ -230,7 +230,7 @@ module_init(cmx270_init);
+ static void __exit cmx270_cleanup(void)
+ {
+ /* Release resources, unregister device */
+- nand_release(cmx270_nand_mtd);
++ nand_release(mtd_to_nand(cmx270_nand_mtd));
+
+ gpio_free(GPIO_NAND_RB);
+ gpio_free(GPIO_NAND_CS);
+diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
+index d48877540f144..647d4ee693457 100644
+--- a/drivers/mtd/nand/cs553x_nand.c
++++ b/drivers/mtd/nand/cs553x_nand.c
+@@ -338,7 +338,7 @@ static void __exit cs553x_cleanup(void)
+ mmio_base = this->IO_ADDR_R;
+
+ /* Release resources, unregister device */
+- nand_release(mtd);
++ nand_release(this);
+ kfree(mtd->name);
+ cs553x_mtd[i] = NULL;
+
+diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
+index ccc8c43abcff3..e66f1385b49e8 100644
+--- a/drivers/mtd/nand/davinci_nand.c
++++ b/drivers/mtd/nand/davinci_nand.c
+@@ -854,7 +854,7 @@ static int nand_davinci_remove(struct platform_device *pdev)
+ ecc4_busy = false;
+ spin_unlock_irq(&davinci_nand_lock);
+
+- nand_release(nand_to_mtd(&info->chip));
++ nand_release(&info->chip);
+
+ clk_disable_unprepare(info->clk);
+
+diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
+index 3087b0ba7b7f3..390a18ad68eea 100644
+--- a/drivers/mtd/nand/denali.c
++++ b/drivers/mtd/nand/denali.c
+@@ -1444,9 +1444,7 @@ EXPORT_SYMBOL(denali_init);
+ /* driver exit point */
+ void denali_remove(struct denali_nand_info *denali)
+ {
+- struct mtd_info *mtd = nand_to_mtd(&denali->nand);
+-
+- nand_release(mtd);
++ nand_release(&denali->nand);
+ kfree(denali->buf);
+ denali_disable_irq(denali);
+ }
+diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
+index c3aa53caab5cf..12cac07f5cf22 100644
+--- a/drivers/mtd/nand/diskonchip.c
++++ b/drivers/mtd/nand/diskonchip.c
+@@ -1611,7 +1611,7 @@ static int __init doc_probe(unsigned long physadr)
+ /* nand_release will call mtd_device_unregister, but we
+ haven't yet added it. This is handled without incident by
+ mtd_device_unregister, as far as I can tell. */
+- nand_release(mtd);
++ nand_release(nand);
+ kfree(nand);
+ goto fail;
+ }
+@@ -1644,7 +1644,7 @@ static void release_nanddoc(void)
+ doc = nand_get_controller_data(nand);
+
+ nextmtd = doc->nextdoc;
+- nand_release(mtd);
++ nand_release(nand);
+ iounmap(doc->virtadr);
+ release_mem_region(doc->physadr, DOC_IOREMAP_LEN);
+ kfree(nand);
+diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c
+index 2436cbc71662d..53fdf491d8c00 100644
+--- a/drivers/mtd/nand/docg4.c
++++ b/drivers/mtd/nand/docg4.c
+@@ -1376,7 +1376,7 @@ static int __init probe_docg4(struct platform_device *pdev)
+ return 0;
+
+ fail:
+- nand_release(mtd); /* deletes partitions and mtd devices */
++ nand_release(nand); /* deletes partitions and mtd devices */
+ free_bch(doc->bch);
+ kfree(nand);
+
+@@ -1389,7 +1389,7 @@ static int __init probe_docg4(struct platform_device *pdev)
+ static int __exit cleanup_docg4(struct platform_device *pdev)
+ {
+ struct docg4_priv *doc = platform_get_drvdata(pdev);
+- nand_release(doc->mtd);
++ nand_release(mtd_to_nand(doc->mtd));
+ free_bch(doc->bch);
+ kfree(mtd_to_nand(doc->mtd));
+ iounmap(doc->virtadr);
+diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
+index 17db2f90aa2c3..0f70bd961234e 100644
+--- a/drivers/mtd/nand/fsl_elbc_nand.c
++++ b/drivers/mtd/nand/fsl_elbc_nand.c
+@@ -813,7 +813,7 @@ static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv)
+ struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand;
+ struct mtd_info *mtd = nand_to_mtd(&priv->chip);
+
+- nand_release(mtd);
++ nand_release(&priv->chip);
+
+ kfree(mtd->name);
+
+diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
+index 16deba1a23858..0d49281614397 100644
+--- a/drivers/mtd/nand/fsl_ifc_nand.c
++++ b/drivers/mtd/nand/fsl_ifc_nand.c
+@@ -927,7 +927,7 @@ static int fsl_ifc_chip_remove(struct fsl_ifc_mtd *priv)
+ {
+ struct mtd_info *mtd = nand_to_mtd(&priv->chip);
+
+- nand_release(mtd);
++ nand_release(&priv->chip);
+
+ kfree(mtd->name);
+
+diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
+index a88e2cf66e0f6..009e96fb92ae2 100644
+--- a/drivers/mtd/nand/fsl_upm.c
++++ b/drivers/mtd/nand/fsl_upm.c
+@@ -326,7 +326,7 @@ static int fun_remove(struct platform_device *ofdev)
+ struct mtd_info *mtd = nand_to_mtd(&fun->chip);
+ int i;
+
+- nand_release(mtd);
++ nand_release(&fun->chip);
+ kfree(mtd->name);
+
+ for (i = 0; i < fun->mchip_count; i++) {
+diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
+index eac15d9bf49eb..3be80e15e4002 100644
+--- a/drivers/mtd/nand/fsmc_nand.c
++++ b/drivers/mtd/nand/fsmc_nand.c
+@@ -1118,7 +1118,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
+ struct fsmc_nand_data *host = platform_get_drvdata(pdev);
+
+ if (host) {
+- nand_release(nand_to_mtd(&host->nand));
++ nand_release(&host->nand);
+
+ if (host->mode == USE_DMA_ACCESS) {
+ dma_release_channel(host->write_dma_chan);
+diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
+index fd3648952b5a7..81b02b81e9844 100644
+--- a/drivers/mtd/nand/gpio.c
++++ b/drivers/mtd/nand/gpio.c
+@@ -199,7 +199,7 @@ static int gpio_nand_remove(struct platform_device *pdev)
+ {
+ struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&gpiomtd->nand_chip));
++ nand_release(&gpiomtd->nand_chip);
+
+ if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+ gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
+diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+index d4d824ef64e9f..c7d0d2eed6c25 100644
+--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
++++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+@@ -2135,7 +2135,7 @@ static int gpmi_nand_remove(struct platform_device *pdev)
+ {
+ struct gpmi_nand_data *this = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&this->nand));
++ nand_release(&this->nand);
+ gpmi_free_dma_buffer(this);
+ release_resources(this);
+ return 0;
+diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c
+index d9ee1a7e69563..1d1b541489f84 100644
+--- a/drivers/mtd/nand/hisi504_nand.c
++++ b/drivers/mtd/nand/hisi504_nand.c
+@@ -823,7 +823,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
+ return 0;
+
+ err_mtd:
+- nand_release(mtd);
++ nand_release(chip);
+ err_res:
+ return ret;
+ }
+@@ -831,9 +831,8 @@ static int hisi_nfc_probe(struct platform_device *pdev)
+ static int hisi_nfc_remove(struct platform_device *pdev)
+ {
+ struct hinfc_host *host = platform_get_drvdata(pdev);
+- struct mtd_info *mtd = nand_to_mtd(&host->chip);
+
+- nand_release(mtd);
++ nand_release(&host->chip);
+
+ return 0;
+ }
+diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
+index ad827d4af3e9b..2caf27bef13a4 100644
+--- a/drivers/mtd/nand/jz4740_nand.c
++++ b/drivers/mtd/nand/jz4740_nand.c
+@@ -500,7 +500,7 @@ static int jz_nand_remove(struct platform_device *pdev)
+ struct jz_nand *nand = platform_get_drvdata(pdev);
+ size_t i;
+
+- nand_release(nand_to_mtd(&nand->chip));
++ nand_release(&nand->chip);
+
+ /* Deassert and disable all chips */
+ writel(0, nand->base + JZ_REG_NAND_CTRL);
+diff --git a/drivers/mtd/nand/jz4780_nand.c b/drivers/mtd/nand/jz4780_nand.c
+index e69f6ae4c5395..86ff46eb79256 100644
+--- a/drivers/mtd/nand/jz4780_nand.c
++++ b/drivers/mtd/nand/jz4780_nand.c
+@@ -293,7 +293,7 @@ static int jz4780_nand_init_chip(struct platform_device *pdev,
+
+ ret = mtd_device_register(mtd, NULL, 0);
+ if (ret) {
+- nand_release(mtd);
++ nand_release(chip);
+ return ret;
+ }
+
+@@ -308,7 +308,7 @@ static void jz4780_nand_cleanup_chips(struct jz4780_nand_controller *nfc)
+
+ while (!list_empty(&nfc->chips)) {
+ chip = list_first_entry(&nfc->chips, struct jz4780_nand_chip, chip_list);
+- nand_release(nand_to_mtd(&chip->chip));
++ nand_release(&chip->chip);
+ list_del(&chip->chip_list);
+ }
+ }
+diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
+index 5796468db6534..34687c20409be 100644
+--- a/drivers/mtd/nand/lpc32xx_mlc.c
++++ b/drivers/mtd/nand/lpc32xx_mlc.c
+@@ -829,9 +829,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
+ static int lpc32xx_nand_remove(struct platform_device *pdev)
+ {
+ struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
+- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
+
+- nand_release(mtd);
++ nand_release(&host->nand_chip);
+ free_irq(host->irq, host);
+ if (use_dma)
+ dma_release_channel(host->dma_chan);
+diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
+index b61f28a1554d3..408758c90a451 100644
+--- a/drivers/mtd/nand/lpc32xx_slc.c
++++ b/drivers/mtd/nand/lpc32xx_slc.c
+@@ -954,9 +954,8 @@ static int lpc32xx_nand_remove(struct platform_device *pdev)
+ {
+ uint32_t tmp;
+ struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
+- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
+
+- nand_release(mtd);
++ nand_release(&host->nand_chip);
+ dma_release_channel(host->dma_chan);
+
+ /* Force CE high */
+diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
+index b6b97cc9fba69..b8a93b47a2901 100644
+--- a/drivers/mtd/nand/mpc5121_nfc.c
++++ b/drivers/mtd/nand/mpc5121_nfc.c
+@@ -829,7 +829,7 @@ static int mpc5121_nfc_remove(struct platform_device *op)
+ struct device *dev = &op->dev;
+ struct mtd_info *mtd = dev_get_drvdata(dev);
+
+- nand_release(mtd);
++ nand_release(mtd_to_nand(mtd));
+ mpc5121_nfc_free(dev, mtd);
+
+ return 0;
+diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c
+index e17f838b9b814..27fcce71ad38c 100644
+--- a/drivers/mtd/nand/mtk_nand.c
++++ b/drivers/mtd/nand/mtk_nand.c
+@@ -1357,7 +1357,7 @@ static int mtk_nfc_nand_chip_init(struct device *dev, struct mtk_nfc *nfc,
+ ret = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0);
+ if (ret) {
+ dev_err(dev, "mtd parse partition error\n");
+- nand_release(mtd);
++ nand_release(nand);
+ return ret;
+ }
+
+@@ -1514,7 +1514,7 @@ static int mtk_nfc_remove(struct platform_device *pdev)
+ while (!list_empty(&nfc->chips)) {
+ chip = list_first_entry(&nfc->chips, struct mtk_nfc_nand_chip,
+ node);
+- nand_release(nand_to_mtd(&chip->nand));
++ nand_release(&chip->nand);
+ list_del(&chip->node);
+ }
+
+diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
+index fcb575d55b89b..808d85bde9f22 100644
+--- a/drivers/mtd/nand/mxc_nand.c
++++ b/drivers/mtd/nand/mxc_nand.c
+@@ -1834,7 +1834,7 @@ static int mxcnd_remove(struct platform_device *pdev)
+ {
+ struct mxc_nand_host *host = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&host->nand));
++ nand_release(&host->nand);
+ if (host->clk_act)
+ clk_disable_unprepare(host->clk);
+
+diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
+index d410de3318542..e953eca67608a 100644
+--- a/drivers/mtd/nand/nand_base.c
++++ b/drivers/mtd/nand/nand_base.c
+@@ -5046,12 +5046,12 @@ EXPORT_SYMBOL_GPL(nand_cleanup);
+ /**
+ * nand_release - [NAND Interface] Unregister the MTD device and free resources
+ * held by the NAND device
+- * @mtd: MTD device structure
++ * @chip: NAND chip object
+ */
+-void nand_release(struct mtd_info *mtd)
++void nand_release(struct nand_chip *chip)
+ {
+- mtd_device_unregister(mtd);
+- nand_cleanup(mtd_to_nand(mtd));
++ mtd_device_unregister(nand_to_mtd(chip));
++ nand_cleanup(chip);
+ }
+ EXPORT_SYMBOL_GPL(nand_release);
+
+diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
+index 44322a363ba54..dbb0e47f51975 100644
+--- a/drivers/mtd/nand/nandsim.c
++++ b/drivers/mtd/nand/nandsim.c
+@@ -2356,7 +2356,7 @@ static int __init ns_init_module(void)
+
+ err_exit:
+ free_nandsim(nand);
+- nand_release(nsmtd);
++ nand_release(chip);
+ for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
+ kfree(nand->partitions[i].name);
+ error:
+@@ -2378,7 +2378,7 @@ static void __exit ns_cleanup_module(void)
+ int i;
+
+ free_nandsim(ns); /* Free nandsim private resources */
+- nand_release(nsmtd); /* Unregister driver */
++ nand_release(chip); /* Unregister driver */
+ for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
+ kfree(ns->partitions[i].name);
+ kfree(mtd_to_nand(nsmtd)); /* Free other structures */
+diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
+index d8a8068949376..eb84328d9bded 100644
+--- a/drivers/mtd/nand/ndfc.c
++++ b/drivers/mtd/nand/ndfc.c
+@@ -258,7 +258,7 @@ static int ndfc_remove(struct platform_device *ofdev)
+ struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev);
+ struct mtd_info *mtd = nand_to_mtd(&ndfc->chip);
+
+- nand_release(mtd);
++ nand_release(&ndfc->chip);
+ kfree(mtd->name);
+
+ return 0;
+diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
+index 7bb4d2ea93421..a79f88c6d0102 100644
+--- a/drivers/mtd/nand/nuc900_nand.c
++++ b/drivers/mtd/nand/nuc900_nand.c
+@@ -284,7 +284,7 @@ static int nuc900_nand_remove(struct platform_device *pdev)
+ {
+ struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&nuc900_nand->chip));
++ nand_release(&nuc900_nand->chip);
+ clk_disable(nuc900_nand->clk);
+
+ return 0;
+diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
+index 9f98f74ff221a..110c0726c665e 100644
+--- a/drivers/mtd/nand/omap2.c
++++ b/drivers/mtd/nand/omap2.c
+@@ -2306,7 +2306,7 @@ static int omap_nand_remove(struct platform_device *pdev)
+ }
+ if (info->dma)
+ dma_release_channel(info->dma);
+- nand_release(mtd);
++ nand_release(nand_chip);
+ return 0;
+ }
+
+diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
+index 5a5aa1f07d074..2f21c678d6efd 100644
+--- a/drivers/mtd/nand/orion_nand.c
++++ b/drivers/mtd/nand/orion_nand.c
+@@ -186,7 +186,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
+ mtd->name = "orion_nand";
+ ret = mtd_device_register(mtd, board->parts, board->nr_parts);
+ if (ret) {
+- nand_release(mtd);
++ nand_release(nc);
+ goto no_dev;
+ }
+
+@@ -201,9 +201,8 @@ static int orion_nand_remove(struct platform_device *pdev)
+ {
+ struct orion_nand_info *info = platform_get_drvdata(pdev);
+ struct nand_chip *chip = &info->chip;
+- struct mtd_info *mtd = nand_to_mtd(chip);
+
+- nand_release(mtd);
++ nand_release(chip);
+
+ clk_disable_unprepare(info->clk);
+
+diff --git a/drivers/mtd/nand/oxnas_nand.c b/drivers/mtd/nand/oxnas_nand.c
+index d649d5944826e..ff58999887388 100644
+--- a/drivers/mtd/nand/oxnas_nand.c
++++ b/drivers/mtd/nand/oxnas_nand.c
+@@ -148,7 +148,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
+
+ err = mtd_device_register(mtd, NULL, 0);
+ if (err) {
+- nand_release(mtd);
++ nand_release(chip);
+ goto err_clk_unprepare;
+ }
+
+@@ -176,7 +176,7 @@ static int oxnas_nand_remove(struct platform_device *pdev)
+ struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev);
+
+ if (oxnas->chips[0])
+- nand_release(nand_to_mtd(oxnas->chips[0]));
++ nand_release(oxnas->chips[0]);
+
+ clk_disable_unprepare(oxnas->clk);
+
+diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
+index d69e5bae541e2..f0f4ff9609655 100644
+--- a/drivers/mtd/nand/pasemi_nand.c
++++ b/drivers/mtd/nand/pasemi_nand.c
+@@ -193,7 +193,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
+ chip = mtd_to_nand(pasemi_nand_mtd);
+
+ /* Release resources, unregister device */
+- nand_release(pasemi_nand_mtd);
++ nand_release(chip);
+
+ release_region(lpcctl, 4);
+
+diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
+index 925a1323604de..2906996d22620 100644
+--- a/drivers/mtd/nand/plat_nand.c
++++ b/drivers/mtd/nand/plat_nand.c
+@@ -99,7 +99,7 @@ static int plat_nand_probe(struct platform_device *pdev)
+ if (!err)
+ return err;
+
+- nand_release(mtd);
++ nand_release(&data->chip);
+ out:
+ if (pdata->ctrl.remove)
+ pdata->ctrl.remove(pdev);
+@@ -114,7 +114,7 @@ static int plat_nand_remove(struct platform_device *pdev)
+ struct plat_nand_data *data = platform_get_drvdata(pdev);
+ struct platform_nand_data *pdata = dev_get_platdata(&pdev->dev);
+
+- nand_release(nand_to_mtd(&data->chip));
++ nand_release(&data->chip);
+ if (pdata->ctrl.remove)
+ pdata->ctrl.remove(pdev);
+
+diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
+index 09d5f7df60237..65d1be2c30497 100644
+--- a/drivers/mtd/nand/qcom_nandc.c
++++ b/drivers/mtd/nand/qcom_nandc.c
+@@ -2760,7 +2760,7 @@ static int qcom_nandc_remove(struct platform_device *pdev)
+ struct qcom_nand_host *host;
+
+ list_for_each_entry(host, &nandc->host_list, node)
+- nand_release(nand_to_mtd(&host->chip));
++ nand_release(&host->chip);
+
+ qcom_nandc_unalloc(nandc);
+
+diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
+index fc9287af46140..2cfa549413952 100644
+--- a/drivers/mtd/nand/r852.c
++++ b/drivers/mtd/nand/r852.c
+@@ -656,7 +656,7 @@ static int r852_register_nand_device(struct r852_device *dev)
+ dev->card_registred = 1;
+ return 0;
+ error3:
+- nand_release(mtd);
++ nand_release(dev->chip);
+ error1:
+ /* Force card redetect */
+ dev->card_detected = 0;
+@@ -675,7 +675,7 @@ static void r852_unregister_nand_device(struct r852_device *dev)
+ return;
+
+ device_remove_file(&mtd->dev, &dev_attr_media_type);
+- nand_release(mtd);
++ nand_release(dev->chip);
+ r852_engine_disable(dev);
+ dev->card_registred = 0;
+ }
+diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
+index 4c383eeec6f6f..f60de68bfabcc 100644
+--- a/drivers/mtd/nand/s3c2410.c
++++ b/drivers/mtd/nand/s3c2410.c
+@@ -784,7 +784,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
+
+ for (mtdno = 0; mtdno < info->mtd_count; mtdno++, ptr++) {
+ pr_debug("releasing mtd %d (%p)\n", mtdno, ptr);
+- nand_release(nand_to_mtd(&ptr->chip));
++ nand_release(&ptr->chip);
+ }
+ }
+
+diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
+index 43db80e5d994f..f2ed03ee30355 100644
+--- a/drivers/mtd/nand/sh_flctl.c
++++ b/drivers/mtd/nand/sh_flctl.c
+@@ -1231,7 +1231,7 @@ static int flctl_remove(struct platform_device *pdev)
+ struct sh_flctl *flctl = platform_get_drvdata(pdev);
+
+ flctl_release_dma(flctl);
+- nand_release(nand_to_mtd(&flctl->chip));
++ nand_release(&flctl->chip);
+ pm_runtime_disable(&pdev->dev);
+
+ return 0;
+diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
+index f59c455d9f517..6cfff0c81153f 100644
+--- a/drivers/mtd/nand/sharpsl.c
++++ b/drivers/mtd/nand/sharpsl.c
+@@ -192,7 +192,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
+ return 0;
+
+ err_add:
+- nand_release(mtd);
++ nand_release(this);
+
+ err_scan:
+ iounmap(sharpsl->io);
+@@ -210,7 +210,7 @@ static int sharpsl_nand_remove(struct platform_device *pdev)
+ struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev);
+
+ /* Release resources, unregister device */
+- nand_release(nand_to_mtd(&sharpsl->chip));
++ nand_release(&sharpsl->chip);
+
+ iounmap(sharpsl->io);
+
+diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
+index 575997d0ef8a0..f960f18ea3e24 100644
+--- a/drivers/mtd/nand/socrates_nand.c
++++ b/drivers/mtd/nand/socrates_nand.c
+@@ -195,7 +195,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
+ if (!res)
+ return res;
+
+- nand_release(mtd);
++ nand_release(nand_chip);
+
+ out:
+ iounmap(host->io_base);
+@@ -208,9 +208,8 @@ static int socrates_nand_probe(struct platform_device *ofdev)
+ static int socrates_nand_remove(struct platform_device *ofdev)
+ {
+ struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev);
+- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
+
+- nand_release(mtd);
++ nand_release(&host->nand_chip);
+
+ iounmap(host->io_base);
+
+diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
+index 8e52314823976..d6e31e8a7b668 100644
+--- a/drivers/mtd/nand/sunxi_nand.c
++++ b/drivers/mtd/nand/sunxi_nand.c
+@@ -2125,7 +2125,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
+ ret = mtd_device_register(mtd, NULL, 0);
+ if (ret) {
+ dev_err(dev, "failed to register mtd device: %d\n", ret);
+- nand_release(mtd);
++ nand_release(nand);
+ return ret;
+ }
+
+@@ -2164,7 +2164,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
+ while (!list_empty(&nfc->chips)) {
+ chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
+ node);
+- nand_release(nand_to_mtd(&chip->nand));
++ nand_release(&chip->nand);
+ sunxi_nand_ecc_cleanup(&chip->nand.ecc);
+ list_del(&chip->node);
+ }
+diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
+index ce366816a7efb..1ab16a90ea296 100644
+--- a/drivers/mtd/nand/tango_nand.c
++++ b/drivers/mtd/nand/tango_nand.c
+@@ -619,7 +619,7 @@ static int tango_nand_remove(struct platform_device *pdev)
+
+ for (cs = 0; cs < MAX_CS; ++cs) {
+ if (nfc->chips[cs])
+- nand_release(nand_to_mtd(&nfc->chips[cs]->nand_chip));
++ nand_release(&nfc->chips[cs]->nand_chip);
+ }
+
+ return 0;
+diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
+index 84dbf32332e12..5a082d9432f96 100644
+--- a/drivers/mtd/nand/tmio_nand.c
++++ b/drivers/mtd/nand/tmio_nand.c
+@@ -448,7 +448,7 @@ static int tmio_probe(struct platform_device *dev)
+ if (!retval)
+ return retval;
+
+- nand_release(mtd);
++ nand_release(nand_chip);
+
+ err_irq:
+ tmio_hw_stop(dev, tmio);
+@@ -459,7 +459,7 @@ static int tmio_remove(struct platform_device *dev)
+ {
+ struct tmio_nand *tmio = platform_get_drvdata(dev);
+
+- nand_release(nand_to_mtd(&tmio->chip));
++ nand_release(&tmio->chip);
+ tmio_hw_stop(dev, tmio);
+ return 0;
+ }
+diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c
+index b567d212fe7de..236181b2985ad 100644
+--- a/drivers/mtd/nand/txx9ndfmc.c
++++ b/drivers/mtd/nand/txx9ndfmc.c
+@@ -390,7 +390,7 @@ static int __exit txx9ndfmc_remove(struct platform_device *dev)
+ chip = mtd_to_nand(mtd);
+ txx9_priv = nand_get_controller_data(chip);
+
+- nand_release(mtd);
++ nand_release(chip);
+ kfree(txx9_priv->mtdname);
+ kfree(txx9_priv);
+ }
+diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
+index e2583a539b413..688393526b5aa 100644
+--- a/drivers/mtd/nand/vf610_nfc.c
++++ b/drivers/mtd/nand/vf610_nfc.c
+@@ -794,7 +794,7 @@ static int vf610_nfc_remove(struct platform_device *pdev)
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct vf610_nfc *nfc = mtd_to_nfc(mtd);
+
+- nand_release(mtd);
++ nand_release(mtd_to_nand(mtd));
+ clk_disable_unprepare(nfc->clk);
+ return 0;
+ }
+diff --git a/drivers/mtd/nand/xway_nand.c b/drivers/mtd/nand/xway_nand.c
+index 9926b4e3d69d0..1988bb943d1bc 100644
+--- a/drivers/mtd/nand/xway_nand.c
++++ b/drivers/mtd/nand/xway_nand.c
+@@ -211,7 +211,7 @@ static int xway_nand_probe(struct platform_device *pdev)
+
+ err = mtd_device_register(mtd, NULL, 0);
+ if (err)
+- nand_release(mtd);
++ nand_release(&data->chip);
+
+ return err;
+ }
+@@ -223,7 +223,7 @@ static int xway_nand_remove(struct platform_device *pdev)
+ {
+ struct xway_nand_data *data = platform_get_drvdata(pdev);
+
+- nand_release(nand_to_mtd(&data->chip));
++ nand_release(&data->chip);
+
+ return 0;
+ }
+diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
+index 2b05f4273babd..e9a791f46eb64 100644
+--- a/include/linux/mtd/rawnand.h
++++ b/include/linux/mtd/rawnand.h
+@@ -22,6 +22,7 @@
+ #include <linux/mtd/flashchip.h>
+ #include <linux/mtd/bbm.h>
+
++struct nand_chip;
+ struct mtd_info;
+ struct nand_flash_dev;
+ struct device_node;
+@@ -37,7 +38,7 @@ int nand_scan_ident(struct mtd_info *mtd, int max_chips,
+ int nand_scan_tail(struct mtd_info *mtd);
+
+ /* Unregister the MTD device and free resources held by the NAND device */
+-void nand_release(struct mtd_info *mtd);
++void nand_release(struct nand_chip *chip);
+
+ /* Internal helper for board drivers which need to override command function */
+ void nand_wait_ready(struct mtd_info *mtd);
+@@ -227,9 +228,6 @@ enum nand_ecc_algo {
+ #define NAND_CI_CELLTYPE_MSK 0x0C
+ #define NAND_CI_CELLTYPE_SHIFT 2
+
+-/* Keep gcc happy */
+-struct nand_chip;
+-
+ /* ONFI features */
+ #define ONFI_FEATURE_16_BIT_BUS (1 << 0)
+ #define ONFI_FEATURE_EXT_PARAM_PAGE (1 << 7)
+--
+2.25.1
+