Unverified Commit f5c6a272 authored by Felix Gu's avatar Felix Gu Committed by Mark Brown
Browse files

spi: axiado: replace usleep_range() with udelay() in IRQ path 



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: e75a6b00 ("spi: axiado: Add driver for Axiado SPI DB controller")
Signed-off-by: default avatarFelix Gu <ustc.gu@gmail.com>
Link: https://patch.msgid.link/20260428-axiado-v1-1-cd767500af72@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 76439787

drivers/spi/spi-axiado.c

+1 −1
Original line number Diff line number Diff line
@@ -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