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[34.83.98.148]) by smtp.gmail.com with ESMTPSA id li18-20020a17090b48d200b00274922d4b38sm3738989pjb.27.2023.12.01.16.01.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Dec 2023 16:01:43 -0800 (PST) Date: Fri, 1 Dec 2023 16:01:40 -0800 From: William McVicker To: Peter Griffin Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, conor+dt@kernel.org, sboyd@kernel.org, tomasz.figa@gmail.com, s.nawrocki@samsung.com, linus.walleij@linaro.org, wim@linux-watchdog.org, linux@roeck-us.net, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, olof@lixom.net, gregkh@linuxfoundation.org, jirislaby@kernel.org, cw00.choi@samsung.com, alim.akhtar@samsung.com, tudor.ambarus@linaro.org, andre.draszik@linaro.org, semen.protsenko@linaro.org, saravanak@google.com, soc@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-watchdog@vger.kernel.org, kernel-team@android.com, linux-serial@vger.kernel.org Subject: Re: [PATCH v5 17/20] tty: serial: samsung: Add gs101 compatible and common fifoszdt_serial_drv_data Message-ID: References: <20231201160925.3136868-1-peter.griffin@linaro.org> <20231201160925.3136868-18-peter.griffin@linaro.org> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231201160925.3136868-18-peter.griffin@linaro.org> On 12/01/2023, Peter Griffin wrote: > Add serial driver data for Google Tensor gs101 SoC and a common > fifoszdt_serial_drv_data that can be used by platforms that specify the > samsung,uart-fifosize DT property. > > A corresponding dt-bindings patch updates the yaml to ensure > samsung,uart-fifosize is a required property. > > Acked-by: Greg Kroah-Hartman > Reviewed-by: Sam Protsenko > Reviewed-by: Arnd Bergmann > Signed-off-by: Peter Griffin Tested-by: Will McVicker --- I verified boot to a busybox console with kernel logs printed to the serial port. Regards, Will > --- > drivers/tty/serial/samsung_tty.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c > index 1b0c2b467a30..f8d98f1006de 100644 > --- a/drivers/tty/serial/samsung_tty.c > +++ b/drivers/tty/serial/samsung_tty.c > @@ -2490,14 +2490,25 @@ static const struct s3c24xx_serial_drv_data exynos850_serial_drv_data = { > .fifosize = { 256, 64, 64, 64 }, > }; > > +/* > + * Common drv_data struct for platforms that specify uart,fifosize in > + * device tree. > + */ > +static const struct s3c24xx_serial_drv_data exynos_fifoszdt_serial_drv_data = { > + EXYNOS_COMMON_SERIAL_DRV_DATA(), > + .fifosize = { 0 }, > +}; > + > #define EXYNOS4210_SERIAL_DRV_DATA (&exynos4210_serial_drv_data) > #define EXYNOS5433_SERIAL_DRV_DATA (&exynos5433_serial_drv_data) > #define EXYNOS850_SERIAL_DRV_DATA (&exynos850_serial_drv_data) > +#define EXYNOS_FIFOSZDT_DRV_DATA (&exynos_fifoszdt_serial_drv_data) > > #else > #define EXYNOS4210_SERIAL_DRV_DATA NULL > #define EXYNOS5433_SERIAL_DRV_DATA NULL > #define EXYNOS850_SERIAL_DRV_DATA NULL > +#define EXYNOS_FIFOSZDT_DRV_DATA NULL > #endif > > #ifdef CONFIG_ARCH_APPLE > @@ -2581,6 +2592,9 @@ static const struct platform_device_id s3c24xx_serial_driver_ids[] = { > }, { > .name = "artpec8-uart", > .driver_data = (kernel_ulong_t)ARTPEC8_SERIAL_DRV_DATA, > + }, { > + .name = "gs101-uart", > + .driver_data = (kernel_ulong_t)EXYNOS_FIFOSZDT_DRV_DATA, > }, > { }, > }; > @@ -2602,6 +2616,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = { > .data = EXYNOS850_SERIAL_DRV_DATA }, > { .compatible = "axis,artpec8-uart", > .data = ARTPEC8_SERIAL_DRV_DATA }, > + { .compatible = "google,gs101-uart", > + .data = EXYNOS_FIFOSZDT_DRV_DATA }, > {}, > }; > MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match); > -- > 2.43.0.rc2.451.g8631bc7472-goog >