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authorAmit Kumar Mahapatra via Alsa-devel <alsa-devel@alsa-project.org>2023-03-10 23:02:03 +0530
committerMark Brown <broonie@kernel.org>2023-03-11 12:34:01 +0000
commit9e264f3f85a56cc109cc2d6010a48aa89d5c1ff1 (patch)
treef4625d50e5c6c4190d20daa8cb770f84f51d540b /drivers/spi/spi-synquacer.c
parent21d19e601fd221cd61105286b0b6ec2f9c5a2576 (diff)
downloadlwn-9e264f3f85a56cc109cc2d6010a48aa89d5c1ff1.tar.gz
lwn-9e264f3f85a56cc109cc2d6010a48aa89d5c1ff1.zip
spi: Replace all spi->chip_select and spi->cs_gpiod references with function call
Supporting multi-cs in spi drivers would require the chip_select & cs_gpiod members of struct spi_device to be an array. But changing the type of these members to array would break the spi driver functionality. To make the transition smoother introduced four new APIs to get/set the spi->chip_select & spi->cs_gpiod and replaced all spi->chip_select and spi->cs_gpiod references with get or set API calls. While adding multi-cs support in further patches the chip_select & cs_gpiod members of the spi_device structure would be converted to arrays & the "idx" parameter of the APIs would be used as array index i.e., spi->chip_select[idx] & spi->cs_gpiod[idx] respectively. Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com> Acked-by: Heiko Stuebner <heiko@sntech.de> # Rockchip drivers Reviewed-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> # Aspeed driver Reviewed-by: Dhruva Gole <d-gole@ti.com> # SPI Cadence QSPI Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> # spi-stm32-qspi Acked-by: William Zhang <william.zhang@broadcom.com> # bcm63xx-hsspi driver Reviewed-by: Serge Semin <fancer.lancer@gmail.com> # DW SSI part Link: https://lore.kernel.org/r/167847070432.26.15076794204368669839@mailman-core.alsa-project.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-synquacer.c')
-rw-r--r--drivers/spi/spi-synquacer.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index 3a92f722a6c5..aeaf7db022f0 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -250,7 +250,7 @@ static int synquacer_spi_config(struct spi_master *master,
}
mode = spi->mode;
- cs = spi->chip_select;
+ cs = spi_get_chipselect(spi, 0);
speed = xfer->speed_hz;
bpw = xfer->bits_per_word;
@@ -344,7 +344,7 @@ static int synquacer_spi_config(struct spi_master *master,
sspi->bpw = bpw;
sspi->mode = mode;
sspi->speed = speed;
- sspi->cs = spi->chip_select;
+ sspi->cs = spi_get_chipselect(spi, 0);
sspi->bus_width = bus_width;
return 0;
@@ -488,7 +488,7 @@ static void synquacer_spi_set_cs(struct spi_device *spi, bool enable)
val = readl(sspi->regs + SYNQUACER_HSSPI_REG_DMSTART);
val &= ~(SYNQUACER_HSSPI_DMPSEL_CS_MASK <<
SYNQUACER_HSSPI_DMPSEL_CS_SHIFT);
- val |= spi->chip_select << SYNQUACER_HSSPI_DMPSEL_CS_SHIFT;
+ val |= spi_get_chipselect(spi, 0) << SYNQUACER_HSSPI_DMPSEL_CS_SHIFT;
if (!enable)
val |= SYNQUACER_HSSPI_DMSTOP_STOP;