]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
spi: axiado: replace usleep_range() with udelay() in IRQ path
authorFelix Gu <ustc.gu@gmail.com>
Mon, 27 Apr 2026 16:33:04 +0000 (00:33 +0800)
committerMark Brown <broonie@kernel.org>
Mon, 27 Apr 2026 23:35:59 +0000 (08:35 +0900)
ax_spi_fill_tx_fifo() can be called from ax_spi_irq() which is a hard
irq handler. Replace usleep_range(10, 10) with udelay(10) in atomic
context.

Fixes: e75a6b00ad79 ("spi: axiado: Add driver for Axiado SPI DB controller")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Link: https://patch.msgid.link/20260428-axiado-v1-1-cd767500af72@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-axiado.c

index 9057a0a8df4a8606b22ad847f55ab687c50f6ccb..649f149617cead7b3aa7e7762ad8d36b4eba4259 100644 (file)
@@ -201,7 +201,7 @@ static void ax_spi_fill_tx_fifo(struct ax_spi *xspi)
                 * then spi control did't work thoroughly, add one byte delay
                 */
                if (ax_spi_read(xspi, AX_SPI_IVR) & AX_SPI_IVR_TFOV)
-                       usleep_range(10, 10);
+                       udelay(10);
                if (xspi->tx_buf)
                        ax_spi_write_b(xspi, AX_SPI_TXFIFO, *xspi->tx_buf++);
                else