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path: root/drivers/spi/spi-fsl-dspi.c (follow)
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* spi: fsl-dspi: Make of_device_id array constJingoo Han2014-05-071-1/+1
| | | | | | | | Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
*-. Merge remote-tracking branches 'spi/topic/drivers', 'spi/topic/dw', ↵Mark Brown2014-03-301-35/+59
|\ \ | | | | | | | | | 'spi/topic/efm32', 'spi/topic/ep93xx', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/fsl-espi' and 'spi/topic/gpio' into spi-next
| | * spi: fsl-dspi: Fix memory leakAxel Lin2014-03-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | The memory allocated for chip is not freed anywhere. Convert to use devm_kzalloc to fix the memory leak. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
| | * spi: fsl-dspi: Use SIMPLE_DEV_PM_OPS macroJingoo Han2014-03-051-3/+1
| | | | | | | | | | | | | | | | | | | | | Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
| | * spi/fsl-dspi: Remove some coding sytle not in standardChao Fu2014-02-161-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | Remove some coding sytle not in standard in former code. Signed-off-by: Chao Fu <b44548@freescale.com> Reviewed-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
| | * spi/fsl-dspi: Convert to use regmap and add big-endian supportChao Fu2014-02-161-27/+53
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Freescale DSPI module will have two endianess in different platform, but ARM is little endian. So when DSPI in big endian, core in little endian, readl and writel can not adjust R/W register in this condition. This patch will remove general readl/writel, and import regmap mechanism. Data endian will be transfered in regmap APIs. Documents: dspi add bool "big-endian" in dts node if DSPI module work in big endian. Signed-off-by: Chao Fu <b44548@freescale.com> Reviewed-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
* / spi: fsl-dspi: Fix getting correct address for masterAxel Lin2014-03-051-3/+3
|/ | | | | | | | | | Current code set platform drvdata to dspi. However, the code in dspi_suspend() and dspi_resume() assumes the drvdata is the address of master. Fix it by setting platform drvdata to master. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
*-. Merge remote-tracking branches 'spi/topic/bcm2835', 'spi/topic/bcm63xx', ↵Mark Brown2014-01-231-3/+0
|\ \ | | | | | | | | | 'spi/topic/bcm63xx-hsspi', 'spi/topic/bitbang', 'spi/topic/bpw', 'spi/topic/clps711x', 'spi/topic/coldfire', 'spi/topic/davinci', 'spi/topic/dw' and 'spi/topic/falcon' into spi-linus
| | * spi: Remove duplicate code to set default bits_per_word settingAxel Lin2014-01-171-3/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | The implementation in spi_setup() already set spi->bits_per_word = 8 when spi->bits_per_word is 0 before calling spi->master->setup. So we don't need to do it again in setup() callback. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Barry Song <Baohua.Song@csr.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Mark Brown <broonie@linaro.org>
* / spi: fsl-dspi: Add missing breaks for switch casesAxel Lin2014-01-091-0/+2
|/ | | | | Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
* Merge remote-tracking branch 'spi/topic/dspi' into spi-nextMark Brown2013-10-251-4/+4
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| * spi: fsl-dspi: add missing clk_disable_unprepare() in dspi_remove()Wei Yongjun2013-10-151-0/+1
| | | | | | | | | | | | | | | | clock source is prepared and enabled by clk_prepare_enable() in probe function, but no disable or unprepare in remove. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Mark Brown <broonie@linaro.org>
| * spi: fsl-dspi: several minor improvements and fixesUwe Kleine-König2013-09-171-3/+2
| | | | | | | | | | | | | | | | | | | | - improve dependencies using COMPILE_TEST - fix a typo - drop platform_set_drvdata(pdev, NULL) in error path of probe - make MODULE_LICENSE match the header Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@linaro.org>
| * spi: fsl-dspi: add missing __iomem annotationJingoo Han2013-09-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added missing __iomem annotation in order to fix the following sparse warnings: drivers/spi/spi-fsl-dspi.c:140:16: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:140:16: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:140:16: got void * drivers/spi/spi-fsl-dspi.c:143:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:143:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:143:9: got void * drivers/spi/spi-fsl-dspi.c:132:18: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:132:18: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:132:18: got void * drivers/spi/spi-fsl-dspi.c:241:17: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:241:17: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:241:17: got void * drivers/spi/spi-fsl-dspi.c:132:18: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:132:18: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:132:18: got void * drivers/spi/spi-fsl-dspi.c:259:29: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:259:29: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:259:29: got void * drivers/spi/spi-fsl-dspi.c:266:29: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:266:29: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:266:29: got void * drivers/spi/spi-fsl-dspi.c:298:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:298:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:298:9: got void * drivers/spi/spi-fsl-dspi.c:299:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:299:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:299:9: got void * drivers/spi/spi-fsl-dspi.c:300:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:300:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:300:9: got void * drivers/spi/spi-fsl-dspi.c:303:17: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:303:17: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:303:17: got void * drivers/spi/spi-fsl-dspi.c:318:21: warning: incorrect type in argument 1 (different address spaces) drivers/spi/spi-fsl-dspi.c:318:21: expected void const volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:318:21: got void * drivers/spi/spi-fsl-dspi.c:327:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:327:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:327:9: got void * drivers/spi/spi-fsl-dspi.c:386:9: warning: incorrect type in argument 2 (different address spaces) drivers/spi/spi-fsl-dspi.c:386:9: expected void volatile [noderef] <asn:2>*addr drivers/spi/spi-fsl-dspi.c:386:9: got void * drivers/spi/spi-fsl-dspi.c:485:20: warning: incorrect type in assignment (different address spaces) drivers/spi/spi-fsl-dspi.c:485:20: expected void *base drivers/spi/spi-fsl-dspi.c:485:20: got void [noderef] <asn:2>* Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
* | Merge remote-tracking branch 'spi/fix/efm' into spi-linusMark Brown2013-10-251-1/+1
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| * | spi: bitbang: Let spi_bitbang_start() take a reference to masterAxel Lin2013-09-171-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many drivers that use bitbang library have a leak on probe error paths. This is because once a spi_master_get() call succeeds, we need an additional spi_master_put() call to free the memory. Fix this issue by moving the code taking a reference to master to spi_bitbang_start(), so spi_bitbang_start() will take a reference to master on success. With this change, the caller is responsible for calling spi_bitbang_stop() to decrement the reference and spi_master_put() as counterpart of spi_alloc_master() to prevent a memory leak. So now we have below patten for drivers using bitbang library: probe: spi_alloc_master -> Init reference count to 1 spi_bitbang_start -> Increment reference count remove: spi_bitbang_stop -> Decrement reference count spi_master_put -> Decrement reference count (reference count reaches 0) Fixup all users accordingly. Signed-off-by: Axel Lin <axel.lin@ingics.com> Suggested-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> Acked-by: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@linaro.org>
* / spi: fix return value check in dspi_probe()Wei Yongjun2013-09-121-8/+2
|/ | | | | | | | | In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Mark Brown <broonie@linaro.org>
* spi:Add Freescale DSPI driver for Vybrid VF610 platformChao Fu2013-08-221-0/+557
The serial peripheral interface (SPI) module implemented on Freescale Vybrid platform provides a synchronous serial bus for communication between Vybrid and the external peripheral device. The SPI supports full-duplex, three-wire synchronous transfer, has TX/RX FIFO with depth of four entries. This driver is the SPI master mode driver and has been tested on Vybrid VF610TWR board. Signed-off-by: Alison Wang <b18965@freescale.com> Signed-off-by: Chao Fu <b44548@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
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