From: Mark Brown <broonie@kernel.org> To: Vladimir Oltean <vladimir.oltean@nxp.com> Cc: andrew.smirnov@gmail.com, angelo@sysam.it, broonie@kernel.org, eha@deif.com, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Mark Brown <broonie@kernel.org>, mhosny@nvidia.com, weic@nvidia.com Subject: Applied "spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions" to the spi tree Date: Thu, 05 Mar 2020 14:37:48 +0000 [thread overview] Message-ID: <applied-20200304220044.11193-5-olteanv@gmail.com> (raw) In-Reply-To: <20200304220044.11193-5-olteanv@gmail.com> The patch spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 8f8303ee05857e1b3084c467dde8bb31c58464bd Mon Sep 17 00:00:00 2001 From: Vladimir Oltean <vladimir.oltean@nxp.com> Date: Thu, 5 Mar 2020 00:00:36 +0200 Subject: [PATCH] spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions Their names are confusing, since dspi_pop_tx prepares a word to be written to the PUSHR register, and dspi_push_rx gets a word from the POPR register. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20200304220044.11193-5-olteanv@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org> --- drivers/spi/spi-fsl-dspi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index b92c2b84a94b..a8077d4903c7 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -245,6 +245,10 @@ struct fsl_dspi { struct fsl_dspi_dma *dma; }; +/* + * Pop one word from the TX buffer for pushing into the + * PUSHR register (TX FIFO) + */ static u32 dspi_pop_tx(struct fsl_dspi *dspi) { u32 txdata = 0; @@ -257,6 +261,7 @@ static u32 dspi_pop_tx(struct fsl_dspi *dspi) return txdata; } +/* Prepare one TX FIFO entry (txdata plus cmd) */ static u32 dspi_pop_tx_pushr(struct fsl_dspi *dspi) { u16 cmd = dspi->tx_cmd, data = dspi_pop_tx(dspi); @@ -269,6 +274,7 @@ static u32 dspi_pop_tx_pushr(struct fsl_dspi *dspi) return cmd << 16 | data; } +/* Push one word to the RX buffer from the POPR register (RX FIFO) */ static void dspi_push_rx(struct fsl_dspi *dspi, u32 rxdata) { if (!dspi->rx) -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: Vladimir Oltean <vladimir.oltean-3arQi8VN3Tc@public.gmane.org> Cc: andrew.smirnov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, angelo-BIYBQhTR83Y@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, eha-/iRVSOupHO4@public.gmane.org, gustavo-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, mhosny-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, weic-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org Subject: Applied "spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions" to the spi tree Date: Thu, 05 Mar 2020 14:37:48 +0000 [thread overview] Message-ID: <applied-20200304220044.11193-5-olteanv@gmail.com> (raw) In-Reply-To: <20200304220044.11193-5-olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> The patch spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From 8f8303ee05857e1b3084c467dde8bb31c58464bd Mon Sep 17 00:00:00 2001 From: Vladimir Oltean <vladimir.oltean-3arQi8VN3Tc@public.gmane.org> Date: Thu, 5 Mar 2020 00:00:36 +0200 Subject: [PATCH] spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions Their names are confusing, since dspi_pop_tx prepares a word to be written to the PUSHR register, and dspi_push_rx gets a word from the POPR register. Signed-off-by: Vladimir Oltean <vladimir.oltean-3arQi8VN3Tc@public.gmane.org> Link: https://lore.kernel.org/r/20200304220044.11193-5-olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Signed-off-by: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> --- drivers/spi/spi-fsl-dspi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index b92c2b84a94b..a8077d4903c7 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -245,6 +245,10 @@ struct fsl_dspi { struct fsl_dspi_dma *dma; }; +/* + * Pop one word from the TX buffer for pushing into the + * PUSHR register (TX FIFO) + */ static u32 dspi_pop_tx(struct fsl_dspi *dspi) { u32 txdata = 0; @@ -257,6 +261,7 @@ static u32 dspi_pop_tx(struct fsl_dspi *dspi) return txdata; } +/* Prepare one TX FIFO entry (txdata plus cmd) */ static u32 dspi_pop_tx_pushr(struct fsl_dspi *dspi) { u16 cmd = dspi->tx_cmd, data = dspi_pop_tx(dspi); @@ -269,6 +274,7 @@ static u32 dspi_pop_tx_pushr(struct fsl_dspi *dspi) return cmd << 16 | data; } +/* Push one word to the RX buffer from the POPR register (RX FIFO) */ static void dspi_push_rx(struct fsl_dspi *dspi, u32 rxdata) { if (!dspi->rx) -- 2.20.1
next prev parent reply other threads:[~2020-03-05 14:37 UTC|newest] Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-04 22:00 [PATCH 00/12] TCFQ to XSPI migration for NXP DSPI driver Vladimir Oltean 2020-03-04 22:00 ` Vladimir Oltean 2020-03-04 22:00 ` [PATCH 01/12] spi: spi-fsl-dspi: Simplify bytes_per_word gymnastics Vladimir Oltean 2020-03-05 14:38 ` Applied "spi: spi-fsl-dspi: Simplify bytes_per_word gymnastics" to the spi tree Mark Brown 2020-03-05 14:38 ` Mark Brown 2020-03-04 22:00 ` [PATCH 02/12] spi: spi-fsl-dspi: Remove unused chip->void_write_data Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Remove unused chip->void_write_data" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 03/12] spi: spi-fsl-dspi: Don't mask off undefined bits Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Don't mask off undefined bits" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 04/12] spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions Vladimir Oltean 2020-03-05 14:37 ` Mark Brown [this message] 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Add comments around dspi_pop_tx and dspi_push_rx functions" to the spi tree Mark Brown 2020-03-04 22:00 ` [PATCH 05/12] spi: spi-fsl-dspi: Rename fifo_{read,write} and {tx,cmd}_fifo_write Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Rename fifo_{read,write} and {tx,cmd}_fifo_write" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 06/12] spi: spi-fsl-dspi: Implement .max_message_size method for EOQ mode Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Implement .max_message_size method for EOQ mode" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 07/12] spi: Do spi_take_timestamp_pre for as many times as necessary Vladimir Oltean 2020-03-05 12:12 ` Mark Brown 2020-03-05 12:12 ` Mark Brown 2020-03-05 13:00 ` Vladimir Oltean 2020-03-05 13:04 ` Mark Brown 2020-03-05 13:04 ` Mark Brown 2020-03-05 13:13 ` Vladimir Oltean 2020-03-05 13:13 ` Vladimir Oltean 2020-03-05 13:16 ` Mark Brown 2020-03-05 13:16 ` Mark Brown 2020-03-05 14:37 ` Applied "spi: Do spi_take_timestamp_pre for as many times as necessary" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 08/12] spi: spi-fsl-dspi: Convert TCFQ users to XSPI FIFO mode Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Convert TCFQ users to XSPI FIFO mode" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 09/12] spi: spi-fsl-dspi: Accelerate transfers using larger word size if possible Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Accelerate transfers using larger word size if possible" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 10/12] spi: spi-fsl-dspi: Optimize dspi_setup_accel for lowest interrupt count Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Optimize dspi_setup_accel for lowest interrupt count" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 11/12] spi: spi-fsl-dspi: Use EOQ for last word in buffer even for XSPI mode Vladimir Oltean 2020-03-04 22:00 ` Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Use EOQ for last word in buffer even for XSPI mode" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown 2020-03-04 22:00 ` [PATCH 12/12] spi: spi-fsl-dspi: Take software timestamp in dspi_fifo_write Vladimir Oltean 2020-03-04 22:00 ` Vladimir Oltean 2020-03-05 14:37 ` Applied "spi: spi-fsl-dspi: Take software timestamp in dspi_fifo_write" to the spi tree Mark Brown 2020-03-05 14:37 ` Mark Brown
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