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Date: Mon, 23 Jan 2023 13:46:11 +0100
From: Michal Simek <michal.simek@....com>
To: Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>,
<broonie@...nel.org>, <miquel.raynal@...tlin.com>,
<richard@....at>, <vigneshr@...com>, <jic23@...nel.org>,
<tudor.ambarus@...rochip.com>, <pratyush@...nel.org>,
<sanju.mehta@....com>, <chin-ting_kuo@...eedtech.com>,
<clg@...d.org>, <kdasu.kdev@...il.com>, <f.fainelli@...il.com>,
<rjui@...adcom.com>, <sbranden@...adcom.com>,
<eajames@...ux.ibm.com>, <olteanv@...il.com>, <han.xu@....com>,
<john.garry@...wei.com>, <shawnguo@...nel.org>,
<s.hauer@...gutronix.de>, <narmstrong@...libre.com>,
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CC: <git@....com>, <linux-spi@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <joel@....id.au>,
<andrew@...id.au>, <radu_nicolae.pirea@....ro>,
<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
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<linux-amlogic@...ts.infradead.org>,
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<greybus-dev@...ts.linaro.org>, <linux-staging@...ts.linux.dev>,
<amitrkcian2002@...il.com>
Subject: Re: [PATCH v2 02/13] spi: Replace all spi->chip_select and
spi->cs_gpiod references with function call
On 1/19/23 19:53, 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@....com>
> ---
> drivers/spi/spi-altera-core.c | 2 +-
> drivers/spi/spi-amd.c | 4 ++--
> drivers/spi/spi-ar934x.c | 2 +-
> drivers/spi/spi-armada-3700.c | 4 ++--
> drivers/spi/spi-aspeed-smc.c | 13 +++++++------
> drivers/spi/spi-at91-usart.c | 2 +-
> drivers/spi/spi-ath79.c | 4 ++--
> drivers/spi/spi-atmel.c | 26 +++++++++++++-------------
> drivers/spi/spi-au1550.c | 4 ++--
> drivers/spi/spi-axi-spi-engine.c | 2 +-
> drivers/spi/spi-bcm-qspi.c | 10 +++++-----
> drivers/spi/spi-bcm2835.c | 19 ++++++++++---------
> drivers/spi/spi-bcm2835aux.c | 4 ++--
> drivers/spi/spi-bcm63xx-hsspi.c | 22 +++++++++++-----------
> drivers/spi/spi-bcm63xx.c | 2 +-
> drivers/spi/spi-cadence-quadspi.c | 5 +++--
> drivers/spi/spi-cadence-xspi.c | 4 ++--
> drivers/spi/spi-cadence.c | 4 ++--
> drivers/spi/spi-cavium.c | 8 ++++----
> drivers/spi/spi-coldfire-qspi.c | 8 ++++----
> drivers/spi/spi-davinci.c | 18 +++++++++---------
> drivers/spi/spi-dln2.c | 6 +++---
> drivers/spi/spi-dw-core.c | 2 +-
> drivers/spi/spi-dw-mmio.c | 4 ++--
> drivers/spi/spi-falcon.c | 2 +-
> drivers/spi/spi-fsi.c | 2 +-
> drivers/spi/spi-fsl-dspi.c | 16 ++++++++--------
> drivers/spi/spi-fsl-espi.c | 6 +++---
> drivers/spi/spi-fsl-lpspi.c | 2 +-
> drivers/spi/spi-fsl-qspi.c | 6 +++---
> drivers/spi/spi-fsl-spi.c | 2 +-
> drivers/spi/spi-geni-qcom.c | 6 +++---
> drivers/spi/spi-gpio.c | 4 ++--
> drivers/spi/spi-gxp.c | 4 ++--
> drivers/spi/spi-hisi-sfc-v3xx.c | 2 +-
> drivers/spi/spi-img-spfi.c | 14 +++++++-------
> drivers/spi/spi-imx.c | 30 +++++++++++++++---------------
> drivers/spi/spi-ingenic.c | 4 ++--
> drivers/spi/spi-intel.c | 2 +-
> drivers/spi/spi-jcore.c | 4 ++--
> drivers/spi/spi-lantiq-ssc.c | 6 +++---
> drivers/spi/spi-mem.c | 4 ++--
> drivers/spi/spi-meson-spicc.c | 2 +-
> drivers/spi/spi-microchip-core.c | 6 +++---
> drivers/spi/spi-mpc512x-psc.c | 8 ++++----
> drivers/spi/spi-mpc52xx.c | 2 +-
> drivers/spi/spi-mt65xx.c | 6 +++---
> drivers/spi/spi-mt7621.c | 2 +-
> drivers/spi/spi-mux.c | 8 ++++----
> drivers/spi/spi-mxic.c | 10 +++++-----
> drivers/spi/spi-mxs.c | 2 +-
> drivers/spi/spi-npcm-fiu.c | 20 ++++++++++----------
> drivers/spi/spi-nxp-fspi.c | 10 +++++-----
> drivers/spi/spi-omap-100k.c | 2 +-
> drivers/spi/spi-omap-uwire.c | 8 ++++----
> drivers/spi/spi-omap2-mcspi.c | 24 ++++++++++++------------
> drivers/spi/spi-orion.c | 4 ++--
> drivers/spi/spi-pci1xxxx.c | 4 ++--
> drivers/spi/spi-pic32-sqi.c | 2 +-
> drivers/spi/spi-pic32.c | 4 ++--
> drivers/spi/spi-pl022.c | 4 ++--
> drivers/spi/spi-pxa2xx.c | 6 +++---
> drivers/spi/spi-qcom-qspi.c | 2 +-
> drivers/spi/spi-rb4xx.c | 2 +-
> drivers/spi/spi-rockchip-sfc.c | 2 +-
> drivers/spi/spi-rockchip.c | 26 ++++++++++++++------------
> drivers/spi/spi-rspi.c | 10 +++++-----
> drivers/spi/spi-s3c64xx.c | 2 +-
> drivers/spi/spi-sc18is602.c | 4 ++--
> drivers/spi/spi-sh-msiof.c | 6 +++---
> drivers/spi/spi-sh-sci.c | 2 +-
> drivers/spi/spi-sifive.c | 6 +++---
> drivers/spi/spi-sn-f-ospi.c | 2 +-
> drivers/spi/spi-st-ssc4.c | 2 +-
> drivers/spi/spi-stm32-qspi.c | 12 ++++++------
> drivers/spi/spi-sun4i.c | 2 +-
> drivers/spi/spi-sun6i.c | 2 +-
> drivers/spi/spi-synquacer.c | 6 +++---
> drivers/spi/spi-tegra114.c | 28 ++++++++++++++--------------
> drivers/spi/spi-tegra20-sflash.c | 2 +-
> drivers/spi/spi-tegra20-slink.c | 6 +++---
> drivers/spi/spi-tegra210-quad.c | 8 ++++----
> drivers/spi/spi-ti-qspi.c | 16 ++++++++--------
> drivers/spi/spi-topcliff-pch.c | 4 ++--
> drivers/spi/spi-wpcm-fiu.c | 12 ++++++------
> drivers/spi/spi-xcomm.c | 2 +-
> drivers/spi/spi-xilinx.c | 6 +++---
> drivers/spi/spi-xlp.c | 4 ++--
> drivers/spi/spi-zynq-qspi.c | 2 +-
> drivers/spi/spi-zynqmp-gqspi.c | 2 +-
> drivers/spi/spidev.c | 6 +++---
> include/trace/events/spi.h | 10 +++++-----
> 92 files changed, 315 insertions(+), 310 deletions(-)
Reviewed-by: Michal Simek <michal.simek@....com>
Thanks,
Michal
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