Re: [PATCH v2 02/13] spi: Replace all spi->chip_select and spi->cs_gpiod references with function call
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- Subject: Re: [PATCH v2 02/13] spi: Replace all spi->chip_select and spi->cs_gpiod references with function call
- From: Dhruva Gole <d-gole@xxxxxx>
- Date: Mon, 23 Jan 2023 19:50:50 +0530
- Cc: <git@xxxxxxx>, <linux-spi@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <joel@xxxxxxxxx>, <andrew@xxxxxxxx>, <radu_nicolae.pirea@xxxxxx>, <nicolas.ferre@xxxxxxxxxxxxx>, <alexandre.belloni@xxxxxxxxxxx>, <claudiu.beznea@xxxxxxxxxxxxx>, <bcm-kernel-feedback-list@xxxxxxxxxxxx>, <fancer.lancer@xxxxxxxxx>, <kernel@xxxxxxxxxxxxxx>, <festevam@xxxxxxxxx>, <linux-imx@xxxxxxx>, <jbrunet@xxxxxxxxxxxx>, <martin.blumenstingl@xxxxxxxxxxxxxx>, <avifishman70@xxxxxxxxx>, <tmaimon77@xxxxxxxxx>, <tali.perry1@xxxxxxxxx>, <venture@xxxxxxxxxx>, <yuenn@xxxxxxxxxx>, <benjaminfair@xxxxxxxxxx>, <yogeshgaur.83@xxxxxxxxx>, <konrad.dybcio@xxxxxxxxxxxxxx>, <alim.akhtar@xxxxxxxxxxx>, <ldewangan@xxxxxxxxxx>, <michal.simek@xxxxxxx>, <linux-aspeed@xxxxxxxxxxxxxxxx>, <openbmc@xxxxxxxxxxxxxxxx>, <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, <linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx>, <linux-amlogic@xxxxxxxxxxxxxxxxxxx>, <linux-mediatek@xxxxxxxxxxxxxxxxxxx>, <linux-arm-msm@xxxxxxxxxxxxxxx>, <linux-rockchip@xxxxxxxxxxxxxxxxxxx>, <linux-samsung-soc@xxxxxxxxxxxxxxx>, <linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, <linux-sunxi@xxxxxxxxxxxxxxx>, <linux-tegra@xxxxxxxxxxxxxxx>, <netdev@xxxxxxxxxxxxxxx>, <linux-wpan@xxxxxxxxxxxxxxx>, <libertas-dev@xxxxxxxxxxxxxxxxxxx>, <linux-wireless@xxxxxxxxxxxxxxx>, <linux-mtd@xxxxxxxxxxxxxxxxxxx>, <lars@xxxxxxxxxx>, <Michael.Hennerich@xxxxxxxxxx>, <linux-iio@xxxxxxxxxxxxxxx>, <michael@xxxxxxxx>, <palmer@xxxxxxxxxxx>, <linux-riscv@xxxxxxxxxxxxxxxxxxx>, <linux-media@xxxxxxxxxxxxxxx>, <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, <greybus-dev@xxxxxxxxxxxxxxxx>, <linux-staging@xxxxxxxxxxxxxxx>, <amitrkcian2002@xxxxxxxxx>
- In-reply-to: <20230119185342.2093323-3-amit.kumar-mahapatra@amd.com>
- References: <20230119185342.2093323-1-amit.kumar-mahapatra@amd.com> <20230119185342.2093323-3-amit.kumar-mahapatra@amd.com>
- User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2
Hi Amit,
On 20/01/23 00:23, Amit Kumar Mahapatra wrote:
> 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@xxxxxxx>
> ---
> [...]
> drivers/spi/spi-cadence-quadspi.c | 5 +++--
> drivers/spi/spi-cadence-xspi.c | 4 ++--
> drivers/spi/spi-cadence.c | 4 ++--
[...]
For SPI Cadence QSPI,
Reviewed-by: Dhruva Gole <d-gole@xxxxxx>
--
Best regards,
Dhruva Gole
Texas Instruments Incorporated
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