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2012-04-19 Thread Diane, Tarologue
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Re: [PATCH] spi/ep93xx: clean probe/remove routines

2012-04-19 Thread Mika Westerberg
On Wed, Apr 18, 2012 at 03:36:11PM +0300, Hannu Heikkinen wrote: Use devm_* functions for managing devres resources. Also use local espi_irq and remove irq variable from struct ep93xx_spi. Cc: mika.westerb...@iki.fi Cc: grant.lik...@secretlab.ca Signed-off-by: Hannu Heikkinen

Re: [PATCH] spi/ep93xx: clean probe/remove routines

2012-04-19 Thread Mika Westerberg
On Wed, Apr 18, 2012 at 11:09:18AM -0500, H Hartley Sweeten wrote: But, I really don't think we actually gain anything by displaying the memory and irq. Maybe this would be more useful: dev_info(pdev-dev, EP93xx SPI Controller using %s\n, espi-dma_tx ? DMA : PIO);

[PATCH] spi: pl022: Allow request for higher frequency than maximum possible

2012-04-19 Thread Viresh Kumar
Currently, if we request for frequency greater than maximum possible, spi driver returns error. For example, if the spi block src frequency is 333/4 MHz, i.e. 83.33.. MHz, maximum frequency programmable would be src/2. Which would come around 41.6... It is difficult to pass frequency in these

[PATCH] spi: pl022: Fix calculate_effective_freq()

2012-04-19 Thread Viresh Kumar
calculate_effective_freq() was still not optimized and there were cases when it returned without error and with values of cpsr and scr as zero. Also, the variable named found is not used well. This patch targets to optimize and correct this routine. Tested for SPEAr. Signed-off-by: Viresh Kumar

[PATCH] spi: spi-rspi: add dmaengine supporting

2012-04-19 Thread Shimoda, Yoshihiro
This patch adds dmaengine supporting using sh_dma driver. The module receives data by DMAC, it also needs TX DMAC to generate SPI's clocks. Signed-off-by: Yoshihiro Shimoda yoshihiro.shimoda...@renesas.com --- drivers/spi/spi-rspi.c | 293 +-

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2012-04-19 Thread Leader mondial du deal par Duano
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[PATCH v3] spi/ep93xx: clean probe/remove routines

2012-04-19 Thread Hannu Heikkinen
Use devm_* functions for managing devres resources. Also use local variable irq and remove irq variable from struct ep93xx_spi, as it is needed only in probe routine. Acked-by: Mika Westerberg mika.westerb...@iki.fi Acked-by: H Hartley Sweeten hswee...@visionengravers.com Signed-off-by: Hannu

Re: [PATCH] spi: pl022: Allow request for higher frequency than maximum possible

2012-04-19 Thread Linus Walleij
On Thu, Apr 19, 2012 at 8:18 AM, Viresh Kumar viresh.ku...@st.com wrote: Currently, if we request for frequency greater than maximum possible, spi driver returns error. For example, if the spi block src frequency is 333/4 MHz, i.e. 83.33.. MHz, maximum frequency programmable would be

Re: [PATCH] spi: spi-rspi: add dmaengine supporting

2012-04-19 Thread Paul Mundt
On Thu, Apr 19, 2012 at 07:22:53PM +0900, Shimoda, Yoshihiro wrote: +static struct dma_async_tx_descriptor *rspi_dma_prep_sg(struct scatterlist *sg, + void *buf, unsigned len, struct dma_chan *chan, + enum dma_transfer_direction dir) +{

Re: [PATCH 1/2] ARM: mxs: Provide a common header file for SSP controller

2012-04-19 Thread Shawn Guo
On Wed, Apr 18, 2012 at 09:30:33PM -0300, Fabio Estevam wrote: On mxs SoCs the SSP controller can act as MMC or SPI controller. Remove the SSP related definitions from the mxs-mmc driver and put it on a common header file. This will facilitate the introduction of the spi-mxs driver. We

Re: [PATCH 1/2] ARM: mxs: Provide a common header file for SSP controller

2012-04-19 Thread Fabio Estevam
On Thu, Apr 19, 2012 at 11:59 PM, Shawn Guo shawn@linaro.org wrote: We are trying to remove mach/*.h from drivers.  And this patch moves to the opposite direction. Where would be a good location for ssp-regs.h then? Regards, Fabio Estevam

Re: [PATCH 1/2] ARM: mxs: Provide a common header file for SSP controller

2012-04-19 Thread Shawn Guo
On 20 April 2012 11:07, Fabio Estevam feste...@gmail.com wrote: On Thu, Apr 19, 2012 at 11:59 PM, Shawn Guo shawn@linaro.org wrote: We are trying to remove mach/*.h from drivers.  And this patch moves to the opposite direction. Where would be a good location for ssp-regs.h then?

Re: [PATCH 2/2] spi: Add initial support for spi-mxs

2012-04-19 Thread Shawn Guo
On Wed, Apr 18, 2012 at 09:30:34PM -0300, Fabio Estevam wrote: ... #define HW_SSP_VERSION (cpu_is_mx23() ? 0x110 : 0x130) This is something needs a bit work (as well as mxs-mmc). The VERSION register sits on different address between imx23 and imx28, so it loses

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2012-04-19 Thread Stop Cambriolages par Duano
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[PATCH v2] spi: spi-rspi: add dmaengine supporting

2012-04-19 Thread Shimoda, Yoshihiro
This patch adds dmaengine supporting using sh_dma driver. The module receives data by DMAC, it also needs TX DMAC to generate SPI's clocks. Signed-off-by: Yoshihiro Shimoda yoshihiro.shimoda...@renesas.com --- about v2: - fix dma unmapping - add checking of the return value of dma_map_sg()