From: Xianwei Zhao Date: Wed, 15 Oct 2025 07:36:59 +0000 (+0800) Subject: spi: amlogic: fix spifc build error X-Git-Tag: v6.18-rc3~26^2~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6b6e03106163458716c47df2baa9ad08ed4ddb0e;p=thirdparty%2Flinux.git spi: amlogic: fix spifc build error There is an error building when Compiler version: gcc (GCC) 14.3.0 Assembler version: GNU assembler (GNU Binutils) 2.44 " Error log: WARNING: modpost: missing MODULE_DESCRIPTION() in arch/arm/probes/kprobes/test-kprobes.o ERROR: modpost: "__ffsdi2" [drivers/spi/spi-amlogic-spifc-a4.ko] undefined! " Use __ffs API instead of __bf_shf to be safer. Reported-by: Guenter Roeck Closes: https://lore.kernel.org/all/f594c621-f9e1-49f2-af31-23fbcb176058@roeck-us.net/ Fixes: 4670db6f32e9 ("spi: amlogic: add driver for Amlogic SPI Flash Controller") Signed-off-by: Xianwei Zhao Link: https://patch.msgid.link/20251015-fix-spifc-a4-v1-1-08e0900e5b7e@amlogic.com Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-amlogic-spifc-a4.c b/drivers/spi/spi-amlogic-spifc-a4.c index 4338d00e56a6e..35a7c4965e113 100644 --- a/drivers/spi/spi-amlogic-spifc-a4.c +++ b/drivers/spi/spi-amlogic-spifc-a4.c @@ -286,7 +286,7 @@ static int aml_sfc_set_bus_width(struct aml_sfc *sfc, u8 buswidth, u32 mask) for (i = 0; i <= LANE_MAX; i++) { if (buswidth == 1 << i) { - conf = i << __bf_shf(mask); + conf = i << __ffs(mask); return regmap_update_bits(sfc->regmap_base, SFC_SPI_CFG, mask, conf); } @@ -566,7 +566,7 @@ static int aml_sfc_raw_io_op(struct aml_sfc *sfc, const struct spi_mem_op *op) if (!op->data.nbytes) goto end_xfer; - conf = (op->data.nbytes >> RAW_SIZE_BW) << __bf_shf(RAW_EXT_SIZE); + conf = (op->data.nbytes >> RAW_SIZE_BW) << __ffs(RAW_EXT_SIZE); ret = regmap_update_bits(sfc->regmap_base, SFC_SPI_CFG, RAW_EXT_SIZE, conf); if (ret) goto err_out;