From: Mark Brown <broonie@kernel.org>
To: Tudor Ambarus <tudor.ambarus@linaro.org>
Cc: andi.shyti@kernel.org, arnd@arndb.de, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
alim.akhtar@samsung.com, linux-spi@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org,
andre.draszik@linaro.org, peter.griffin@linaro.org,
semen.protsenko@linaro.org, kernel-team@android.com,
willmcvicker@google.com
Subject: Re: [PATCH v2 05/28] spi: dt-bindings: samsung: add samsung,spi-fifosize property
Date: Thu, 25 Jan 2024 17:26:32 +0000 [thread overview]
Message-ID: <55af5d4a-7bc9-4ae7-88c5-5acae4666450@sirena.org.uk> (raw)
In-Reply-To: <1c58deef-bc0f-4889-bf40-54168ce9ff7c@linaro.org>
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On Thu, Jan 25, 2024 at 04:38:07PM +0000, Tudor Ambarus wrote:
> On 1/25/24 16:16, Mark Brown wrote:
> > Do we have any cases where we'd ever want to vary this independently of
> > the SoC - this isn't a configurable IP shipped to random integrators?
> The IP supports FIFO depths from 8 to 256 bytes (in powers of 2 I
> guess). The integrator is the one dictating the IP configuration. In
> gs101's case all USIxx_USI (which includes SPI, I2C, and UART) are
> configured with 64 bytes FIFO depths.
OK, so just the compatible is enough information then?
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Tudor Ambarus <tudor.ambarus@linaro.org>
Cc: andi.shyti@kernel.org, arnd@arndb.de, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
alim.akhtar@samsung.com, linux-spi@vger.kernel.org,
linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org,
andre.draszik@linaro.org, peter.griffin@linaro.org,
semen.protsenko@linaro.org, kernel-team@android.com,
willmcvicker@google.com
Subject: Re: [PATCH v2 05/28] spi: dt-bindings: samsung: add samsung,spi-fifosize property
Date: Thu, 25 Jan 2024 17:26:32 +0000 [thread overview]
Message-ID: <55af5d4a-7bc9-4ae7-88c5-5acae4666450@sirena.org.uk> (raw)
In-Reply-To: <1c58deef-bc0f-4889-bf40-54168ce9ff7c@linaro.org>
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On Thu, Jan 25, 2024 at 04:38:07PM +0000, Tudor Ambarus wrote:
> On 1/25/24 16:16, Mark Brown wrote:
> > Do we have any cases where we'd ever want to vary this independently of
> > the SoC - this isn't a configurable IP shipped to random integrators?
> The IP supports FIFO depths from 8 to 256 bytes (in powers of 2 I
> guess). The integrator is the one dictating the IP configuration. In
> gs101's case all USIxx_USI (which includes SPI, I2C, and UART) are
> configured with 64 bytes FIFO depths.
OK, so just the compatible is enough information then?
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next prev parent reply other threads:[~2024-01-25 17:26 UTC|newest]
Thread overview: 154+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 14:49 [PATCH v2 00/28] spi: s3c64xx: winter cleanup and gs101 support Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 01/28] spi: s3c64xx: explicitly include <linux/io.h> Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 18:58 ` Sam Protsenko
2024-01-25 18:58 ` Sam Protsenko
2024-01-26 14:40 ` Tudor Ambarus
2024-01-26 14:40 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 02/28] spi: s3c64xx: explicitly include <linux/bits.h> Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 03/28] spi: s3c64xx: avoid possible negative array index Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 18:50 ` Sam Protsenko
2024-01-25 18:50 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 04/28] spi: dt-bindings: samsung: add google,gs101-spi compatible Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 05/28] spi: dt-bindings: samsung: add samsung,spi-fifosize property Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 16:16 ` Mark Brown
2024-01-25 16:16 ` Mark Brown
2024-01-25 16:38 ` Tudor Ambarus
2024-01-25 16:38 ` Tudor Ambarus
2024-01-25 17:26 ` Mark Brown [this message]
2024-01-25 17:26 ` Mark Brown
2024-01-25 17:30 ` Tudor Ambarus
2024-01-25 17:30 ` Tudor Ambarus
2024-01-25 17:45 ` Mark Brown
2024-01-25 17:45 ` Mark Brown
2024-01-25 19:01 ` Tudor Ambarus
2024-01-25 19:01 ` Tudor Ambarus
2024-01-30 22:25 ` Rob Herring
2024-01-30 22:25 ` Rob Herring
2024-02-05 9:42 ` Tudor Ambarus
2024-02-05 9:42 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 06/28] spi: s3c64xx: sort headers alphabetically Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 07/28] spi: s3c64xx: remove unneeded (void *) casts in of_match_table Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 19:04 ` Sam Protsenko
2024-01-25 19:04 ` Sam Protsenko
2024-01-26 8:24 ` Tudor Ambarus
2024-01-26 8:24 ` Tudor Ambarus
2024-01-26 19:40 ` Sam Protsenko
2024-01-26 19:40 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 08/28] spi: s3c64xx: remove else after return Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 09/28] spi: s3c64xx: use bitfield access macros Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 19:50 ` Sam Protsenko
2024-01-25 19:50 ` Sam Protsenko
2024-01-26 8:49 ` Tudor Ambarus
2024-01-26 8:49 ` Tudor Ambarus
2024-01-26 19:55 ` Sam Protsenko
2024-01-26 19:55 ` Sam Protsenko
2024-01-26 16:01 ` Tudor Ambarus
2024-01-26 16:01 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 10/28] spi: s3c64xx: use full mask for {RX, TX}_FIFO_LVL Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:03 ` Sam Protsenko
2024-01-25 20:03 ` Sam Protsenko
2024-01-25 21:48 ` Mark Brown
2024-01-25 21:48 ` Mark Brown
2024-01-26 8:51 ` Tudor Ambarus
2024-01-26 8:51 ` Tudor Ambarus
2024-01-26 8:12 ` Tudor Ambarus
2024-01-26 8:12 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 11/28] spi: s3c64xx: move common code outside if else Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:09 ` Sam Protsenko
2024-01-25 20:09 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 12/28] spi: s3c64xx: check return code of dmaengine_slave_config() Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:19 ` Sam Protsenko
2024-01-25 20:19 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 13/28] spi: s3c64xx: propagate the dma_submit_error() error code Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:23 ` Sam Protsenko
2024-01-25 20:23 ` Sam Protsenko
2024-01-26 7:42 ` Tudor Ambarus
2024-01-26 7:42 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 14/28] spi: s3c64xx: rename prepare_dma() to s3c64xx_prepare_dma() Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:24 ` Sam Protsenko
2024-01-25 20:24 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 15/28] spi: s3c64xx: return ETIMEDOUT for wait_for_completion_timeout() Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:30 ` Sam Protsenko
2024-01-25 20:30 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 16/28] spi: s3c64xx: simplify s3c64xx_wait_for_pio() Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:43 ` Sam Protsenko
2024-01-25 20:43 ` Sam Protsenko
2024-01-26 7:56 ` Tudor Ambarus
2024-01-26 7:56 ` Tudor Ambarus
2024-01-26 19:31 ` Sam Protsenko
2024-01-26 19:31 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 17/28] spi: s3c64xx: drop blank line between declarations Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:38 ` Sam Protsenko
2024-01-25 20:38 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 18/28] spi: s3c64xx: fix typo, s/configuartion/configuration Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:39 ` Sam Protsenko
2024-01-25 20:39 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 19/28] spi: s3c64xx: downgrade dev_warn to dev_dbg for optional dt props Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 20:40 ` Sam Protsenko
2024-01-25 20:40 ` Sam Protsenko
2024-01-25 14:49 ` [PATCH v2 20/28] spi: s3c64xx: add support for inferring fifosize from the compatible Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 14:49 ` [PATCH v2 21/28] spi: s3c64xx: infer " Tudor Ambarus
2024-01-25 14:49 ` Tudor Ambarus
2024-01-25 17:18 ` Mark Brown
2024-01-25 17:18 ` Mark Brown
2024-01-25 18:44 ` Tudor Ambarus
2024-01-25 18:44 ` Tudor Ambarus
2024-01-25 22:28 ` Sam Protsenko
2024-01-25 22:28 ` Sam Protsenko
2024-01-26 7:27 ` Tudor Ambarus
2024-01-26 7:27 ` Tudor Ambarus
2024-01-25 14:50 ` [PATCH v2 22/28] spi: s3c64xx: drop dependency on of_alias where possible Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 14:50 ` [PATCH v2 23/28] spi: s3c64xx: retrieve the FIFO size from the device tree Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 17:33 ` Mark Brown
2024-01-25 17:33 ` Mark Brown
2024-01-26 19:23 ` Sam Protsenko
2024-01-26 19:23 ` Sam Protsenko
2024-01-26 20:16 ` Arnd Bergmann
2024-01-26 20:16 ` Arnd Bergmann
2024-01-26 20:20 ` Sam Protsenko
2024-01-26 20:20 ` Sam Protsenko
2024-02-05 9:54 ` Tudor Ambarus
2024-02-05 9:54 ` Tudor Ambarus
2024-01-26 21:19 ` Mark Brown
2024-01-26 21:19 ` Mark Brown
2024-01-25 14:50 ` [PATCH v2 24/28] spi: s3c64xx: mark fifo_lvl_mask as deprecated Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 14:50 ` [PATCH v2 25/28] asm-generic/io.h: add iowrite{8,16}_32 accessors Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 17:41 ` Mark Brown
2024-01-25 17:41 ` Mark Brown
2024-01-25 21:23 ` Arnd Bergmann
2024-01-25 21:23 ` Arnd Bergmann
2024-01-26 7:21 ` Tudor Ambarus
2024-01-26 7:21 ` Tudor Ambarus
2024-01-25 14:50 ` [PATCH v2 26/28] spi: s3c64xx: add iowrite{8,16}_32_rep accessors Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 14:50 ` [PATCH v2 27/28] spi: s3c64xx: add support for google,gs101-spi Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
2024-01-25 20:45 ` Sam Protsenko
2024-01-25 20:45 ` Sam Protsenko
2024-01-25 14:50 ` [PATCH v2 28/28] MAINTAINERS: add Tudor Ambarus as R for the samsung SPI driver Tudor Ambarus
2024-01-25 14:50 ` Tudor Ambarus
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