| Message ID | 1313489486-831-4-git-send-email-horms@verge.net.au (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, 16 Aug 2011, Simon Horman wrote: > Make use of per-source irq handles if the > platform (data) has multiple irq sources. > > Also, as suggested by Guennadi Liakhovetski, > add and use defines the index or irqs in platform data. > > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > Cc: Magnus Damm <magnus.damm@gmail.com> > Signed-off-by: Simon Horman <horms@verge.net.au> > > --- > > v3 > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > * As suggested by Guennadi Liakhovetski: > - Merge in patch "mmc: sdhi: Add defines for platform irq indexes" > - Use an enum instead of defines for irq indexes > > v2 > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > * Make use of defines provided by > "mmc: sdhi: Add defines for platform irq indexes" > * As suggested by Guennadi Liakhovetski: > - Don't use a loop to initialise irq handlers, the unrolled version > is easier on the eyes (and exactly the same number of lines of code!) > --- > drivers/mmc/host/sh_mobile_sdhi.c | 60 ++++++++++++++++++++++------------- > include/linux/mmc/sh_mobile_sdhi.h | 7 ++++ > 2 files changed, 45 insertions(+), 22 deletions(-) > > diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c > index 774f643..d792705 100644 > --- a/drivers/mmc/host/sh_mobile_sdhi.c > +++ b/drivers/mmc/host/sh_mobile_sdhi.c > @@ -96,7 +96,9 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > struct sh_mobile_sdhi_info *p = pdev->dev.platform_data; > struct tmio_mmc_host *host; > char clk_name[8]; > - int i, irq, ret; > + int irq, ret; > + irqreturn_t (*f)(int irq, void *devid); > + bool multi_irq = false; > > priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL); > if (priv == NULL) { > @@ -153,27 +155,33 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > if (ret < 0) > goto eprobe; > > - for (i = 0; i < 3; i++) { > - irq = platform_get_irq(pdev, i); > - if (irq < 0) { > - if (i) { > - continue; > - } else { > - ret = irq; > - goto eirq; > - } > - } > - ret = request_irq(irq, tmio_mmc_irq, 0, > + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); > + if (irq >= 0) { > + multi_irq = true; > + ret = request_irq(irq, tmio_mmc_sdio_irq, 0, > dev_name(&pdev->dev), host); > - if (ret) { > - while (i--) { > - irq = platform_get_irq(pdev, i); > - if (irq >= 0) > - free_irq(irq, host); > - } > - goto eirq; > - } > + if (ret) > + goto eirq_sdio; > } > + > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); > + if (irq >= 0) { > + multi_irq = true; > + ret = request_irq(irq, tmio_mmc_sdcard_irq, 0, > + dev_name(&pdev->dev), host); Sorry, I still don't understand why you check "CARD_DETECT" and request "sdcard_irq." Am I missing something or was my comment not clear enough in the previous review? > + if (ret) > + goto eirq_card_detect; > + } else if (multi_irq) > + goto eirq_card_detect; ? Sorry, have you maybe missed my review? > + > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD); > + if (irq < 0) > + goto eirq_sdcard; > + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq; Same here Thanks Guennadi > + ret = request_irq(irq, f, 0, dev_name(&pdev->dev), host); > + if (ret) > + goto eirq_sdcard; > + > dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n", > mmc_hostname(host->mmc), (unsigned long) > (platform_get_resource(pdev,IORESOURCE_MEM, 0)->start), > @@ -181,7 +189,15 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > > return ret; > > -eirq: > +eirq_sdcard: > + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); > + if (irq >= 0) > + free_irq(irq, host); > +eirq_card_detect: > + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); > + if (irq >= 0) > + free_irq(irq, host); > +eirq_sdio: > tmio_mmc_host_remove(host); > eprobe: > clk_disable(priv->clk); > @@ -203,7 +219,7 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev) > > tmio_mmc_host_remove(host); > > - for (i = 0; i < 3; i++) { > + for (i = 0; i < SH_MOBILE_SDHI_IRQ_MAX; i++) { > irq = platform_get_irq(pdev, i); > if (irq >= 0) > free_irq(irq, host); > diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h > index bd50b36..5182496 100644 > --- a/include/linux/mmc/sh_mobile_sdhi.h > +++ b/include/linux/mmc/sh_mobile_sdhi.h > @@ -3,6 +3,13 @@ > > #include <linux/types.h> > > +enum { > + SH_MOBILE_SDHI_IRQ_SDCARD = 0, > + SH_MOBILE_SDHI_IRQ_CARD_DETECT, > + SH_MOBILE_SDHI_IRQ_SDIO, > + SH_MOBILE_SDHI_IRQ_MAX > +}; > + > struct platform_device; > struct tmio_mmc_data; > > -- > 1.7.5.4 > --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Aug 16, 2011 at 01:11:42PM +0200, Guennadi Liakhovetski wrote: > On Tue, 16 Aug 2011, Simon Horman wrote: > > > Make use of per-source irq handles if the > > platform (data) has multiple irq sources. > > > > Also, as suggested by Guennadi Liakhovetski, > > add and use defines the index or irqs in platform data. > > > > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > Cc: Magnus Damm <magnus.damm@gmail.com> > > Signed-off-by: Simon Horman <horms@verge.net.au> > > > > --- > > > > v3 > > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > > * As suggested by Guennadi Liakhovetski: > > - Merge in patch "mmc: sdhi: Add defines for platform irq indexes" > > - Use an enum instead of defines for irq indexes > > > > v2 > > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > > * Make use of defines provided by > > "mmc: sdhi: Add defines for platform irq indexes" > > * As suggested by Guennadi Liakhovetski: > > - Don't use a loop to initialise irq handlers, the unrolled version > > is easier on the eyes (and exactly the same number of lines of code!) > > --- > > drivers/mmc/host/sh_mobile_sdhi.c | 60 ++++++++++++++++++++++------------- > > include/linux/mmc/sh_mobile_sdhi.h | 7 ++++ > > 2 files changed, 45 insertions(+), 22 deletions(-) > > > > diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c > > index 774f643..d792705 100644 > > --- a/drivers/mmc/host/sh_mobile_sdhi.c > > +++ b/drivers/mmc/host/sh_mobile_sdhi.c > > @@ -96,7 +96,9 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > > struct sh_mobile_sdhi_info *p = pdev->dev.platform_data; > > struct tmio_mmc_host *host; > > char clk_name[8]; > > - int i, irq, ret; > > + int irq, ret; > > + irqreturn_t (*f)(int irq, void *devid); > > + bool multi_irq = false; > > > > priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL); > > if (priv == NULL) { > > @@ -153,27 +155,33 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > > if (ret < 0) > > goto eprobe; > > > > - for (i = 0; i < 3; i++) { > > - irq = platform_get_irq(pdev, i); > > - if (irq < 0) { > > - if (i) { > > - continue; > > - } else { > > - ret = irq; > > - goto eirq; > > - } > > - } > > - ret = request_irq(irq, tmio_mmc_irq, 0, > > + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); > > + if (irq >= 0) { > > + multi_irq = true; > > + ret = request_irq(irq, tmio_mmc_sdio_irq, 0, > > dev_name(&pdev->dev), host); > > - if (ret) { > > - while (i--) { > > - irq = platform_get_irq(pdev, i); > > - if (irq >= 0) > > - free_irq(irq, host); > > - } > > - goto eirq; > > - } > > + if (ret) > > + goto eirq_sdio; > > } > > + > > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); > > + if (irq >= 0) { > > + multi_irq = true; > > + ret = request_irq(irq, tmio_mmc_sdcard_irq, 0, > > + dev_name(&pdev->dev), host); > > Sorry, I still don't understand why you check "CARD_DETECT" and request > "sdcard_irq." Am I missing something or was my comment not clear enough in > the previous review? > > > + if (ret) > > + goto eirq_card_detect; > > + } else if (multi_irq) > > + goto eirq_card_detect; > > ? Sorry, have you maybe missed my review? > > > + > > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD); > > + if (irq < 0) > > + goto eirq_sdcard; > > + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq; > > Same here Sorry, that is a bug. As the code seems to work on my board I think it should be fixed by inverting the values of SH_MOBILE_SDHI_IRQ_SDCARD and SH_MOBILE_SDHI_IRQ_CARD_DETECT. I will check that and repost. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 16 Aug 2011, Simon Horman wrote: > On Tue, Aug 16, 2011 at 01:11:42PM +0200, Guennadi Liakhovetski wrote: > > On Tue, 16 Aug 2011, Simon Horman wrote: > > > > > Make use of per-source irq handles if the > > > platform (data) has multiple irq sources. > > > > > > Also, as suggested by Guennadi Liakhovetski, > > > add and use defines the index or irqs in platform data. > > > > > > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > > Cc: Magnus Damm <magnus.damm@gmail.com> > > > Signed-off-by: Simon Horman <horms@verge.net.au> > > > > > > --- > > > > > > v3 > > > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > > > * As suggested by Guennadi Liakhovetski: > > > - Merge in patch "mmc: sdhi: Add defines for platform irq indexes" > > > - Use an enum instead of defines for irq indexes > > > > > > v2 > > > * Update for changes to "mmc: tmio: Provide separate interrupt handlers" > > > * Make use of defines provided by > > > "mmc: sdhi: Add defines for platform irq indexes" > > > * As suggested by Guennadi Liakhovetski: > > > - Don't use a loop to initialise irq handlers, the unrolled version > > > is easier on the eyes (and exactly the same number of lines of code!) > > > --- > > > drivers/mmc/host/sh_mobile_sdhi.c | 60 ++++++++++++++++++++++------------- > > > include/linux/mmc/sh_mobile_sdhi.h | 7 ++++ > > > 2 files changed, 45 insertions(+), 22 deletions(-) > > > > > > diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c > > > index 774f643..d792705 100644 > > > --- a/drivers/mmc/host/sh_mobile_sdhi.c > > > +++ b/drivers/mmc/host/sh_mobile_sdhi.c > > > @@ -96,7 +96,9 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > > > struct sh_mobile_sdhi_info *p = pdev->dev.platform_data; > > > struct tmio_mmc_host *host; > > > char clk_name[8]; > > > - int i, irq, ret; > > > + int irq, ret; > > > + irqreturn_t (*f)(int irq, void *devid); > > > + bool multi_irq = false; > > > > > > priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL); > > > if (priv == NULL) { > > > @@ -153,27 +155,33 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) > > > if (ret < 0) > > > goto eprobe; > > > > > > - for (i = 0; i < 3; i++) { > > > - irq = platform_get_irq(pdev, i); > > > - if (irq < 0) { > > > - if (i) { > > > - continue; > > > - } else { > > > - ret = irq; > > > - goto eirq; > > > - } > > > - } > > > - ret = request_irq(irq, tmio_mmc_irq, 0, > > > + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); > > > + if (irq >= 0) { > > > + multi_irq = true; > > > + ret = request_irq(irq, tmio_mmc_sdio_irq, 0, > > > dev_name(&pdev->dev), host); > > > - if (ret) { > > > - while (i--) { > > > - irq = platform_get_irq(pdev, i); > > > - if (irq >= 0) > > > - free_irq(irq, host); > > > - } > > > - goto eirq; > > > - } > > > + if (ret) > > > + goto eirq_sdio; > > > } > > > + > > > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); > > > + if (irq >= 0) { > > > + multi_irq = true; > > > + ret = request_irq(irq, tmio_mmc_sdcard_irq, 0, > > > + dev_name(&pdev->dev), host); > > > > Sorry, I still don't understand why you check "CARD_DETECT" and request > > "sdcard_irq." Am I missing something or was my comment not clear enough in > > the previous review? > > > > > + if (ret) > > > + goto eirq_card_detect; > > > + } else if (multi_irq) > > > + goto eirq_card_detect; > > > > ? Sorry, have you maybe missed my review? > > > > > + > > > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD); > > > + if (irq < 0) > > > + goto eirq_sdcard; > > > + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq; > > > > Same here > > Sorry, that is a bug. > > As the code seems to work on my board I think it should be fixed by > inverting the values of SH_MOBILE_SDHI_IRQ_SDCARD and > SH_MOBILE_SDHI_IRQ_CARD_DETECT. > > I will check that and repost. Right, SDIO works, /proc/interrupts has 96: 5 sh7372-intca-level sh_mobile_sdhi.0 97: 4116138 sh7372-intca-level sh_mobile_sdhi.0 98: 44822 sh7372-intca-level sh_mobile_sdhi.0 So, indeed, #0 is card-detect, #1 is sdcard, #2 is sdio, your enum is wrong and request_irq() swapped ISRs compensate for that mistake. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Aug 16, 2011 at 02:40:25PM +0200, Guennadi Liakhovetski wrote: > On Tue, 16 Aug 2011, Simon Horman wrote: > > > On Tue, Aug 16, 2011 at 01:11:42PM +0200, Guennadi Liakhovetski wrote: > > > On Tue, 16 Aug 2011, Simon Horman wrote: [snip] > > > Sorry, I still don't understand why you check "CARD_DETECT" and request > > > "sdcard_irq." Am I missing something or was my comment not clear enough in > > > the previous review? > > > > > > > + if (ret) > > > > + goto eirq_card_detect; > > > > + } else if (multi_irq) > > > > + goto eirq_card_detect; > > > > > > ? Sorry, have you maybe missed my review? > > > > > > > + > > > > + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD); > > > > + if (irq < 0) > > > > + goto eirq_sdcard; > > > > + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq; > > > > > > Same here > > > > Sorry, that is a bug. > > > > As the code seems to work on my board I think it should be fixed by > > inverting the values of SH_MOBILE_SDHI_IRQ_SDCARD and > > SH_MOBILE_SDHI_IRQ_CARD_DETECT. > > > > I will check that and repost. > > Right, SDIO works, /proc/interrupts has > > 96: 5 sh7372-intca-level sh_mobile_sdhi.0 > 97: 4116138 sh7372-intca-level sh_mobile_sdhi.0 > 98: 44822 sh7372-intca-level sh_mobile_sdhi.0 > > So, indeed, #0 is card-detect, #1 is sdcard, #2 is sdio, your enum is > wrong and request_irq() swapped ISRs compensate for that mistake. Thanks. I swapped around the enum, made the appropriate changes elsewhere and things do seem to work correctly. Its a bit late now so I'll hold off on reposting until tomorrow. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 774f643..d792705 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -96,7 +96,9 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) struct sh_mobile_sdhi_info *p = pdev->dev.platform_data; struct tmio_mmc_host *host; char clk_name[8]; - int i, irq, ret; + int irq, ret; + irqreturn_t (*f)(int irq, void *devid); + bool multi_irq = false; priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL); if (priv == NULL) { @@ -153,27 +155,33 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) if (ret < 0) goto eprobe; - for (i = 0; i < 3; i++) { - irq = platform_get_irq(pdev, i); - if (irq < 0) { - if (i) { - continue; - } else { - ret = irq; - goto eirq; - } - } - ret = request_irq(irq, tmio_mmc_irq, 0, + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); + if (irq >= 0) { + multi_irq = true; + ret = request_irq(irq, tmio_mmc_sdio_irq, 0, dev_name(&pdev->dev), host); - if (ret) { - while (i--) { - irq = platform_get_irq(pdev, i); - if (irq >= 0) - free_irq(irq, host); - } - goto eirq; - } + if (ret) + goto eirq_sdio; } + + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); + if (irq >= 0) { + multi_irq = true; + ret = request_irq(irq, tmio_mmc_sdcard_irq, 0, + dev_name(&pdev->dev), host); + if (ret) + goto eirq_card_detect; + } else if (multi_irq) + goto eirq_card_detect; + + ret = irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDCARD); + if (irq < 0) + goto eirq_sdcard; + f = multi_irq ? tmio_mmc_card_detect_irq : tmio_mmc_irq; + ret = request_irq(irq, f, 0, dev_name(&pdev->dev), host); + if (ret) + goto eirq_sdcard; + dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n", mmc_hostname(host->mmc), (unsigned long) (platform_get_resource(pdev,IORESOURCE_MEM, 0)->start), @@ -181,7 +189,15 @@ static int __devinit sh_mobile_sdhi_probe(struct platform_device *pdev) return ret; -eirq: +eirq_sdcard: + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_CARD_DETECT); + if (irq >= 0) + free_irq(irq, host); +eirq_card_detect: + irq = platform_get_irq(pdev, SH_MOBILE_SDHI_IRQ_SDIO); + if (irq >= 0) + free_irq(irq, host); +eirq_sdio: tmio_mmc_host_remove(host); eprobe: clk_disable(priv->clk); @@ -203,7 +219,7 @@ static int sh_mobile_sdhi_remove(struct platform_device *pdev) tmio_mmc_host_remove(host); - for (i = 0; i < 3; i++) { + for (i = 0; i < SH_MOBILE_SDHI_IRQ_MAX; i++) { irq = platform_get_irq(pdev, i); if (irq >= 0) free_irq(irq, host); diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h index bd50b36..5182496 100644 --- a/include/linux/mmc/sh_mobile_sdhi.h +++ b/include/linux/mmc/sh_mobile_sdhi.h @@ -3,6 +3,13 @@ #include <linux/types.h> +enum { + SH_MOBILE_SDHI_IRQ_SDCARD = 0, + SH_MOBILE_SDHI_IRQ_CARD_DETECT, + SH_MOBILE_SDHI_IRQ_SDIO, + SH_MOBILE_SDHI_IRQ_MAX +}; + struct platform_device; struct tmio_mmc_data;
Make use of per-source irq handles if the platform (data) has multiple irq sources. Also, as suggested by Guennadi Liakhovetski, add and use defines the index or irqs in platform data. Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Magnus Damm <magnus.damm@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au> --- v3 * Update for changes to "mmc: tmio: Provide separate interrupt handlers" * As suggested by Guennadi Liakhovetski: - Merge in patch "mmc: sdhi: Add defines for platform irq indexes" - Use an enum instead of defines for irq indexes v2 * Update for changes to "mmc: tmio: Provide separate interrupt handlers" * Make use of defines provided by "mmc: sdhi: Add defines for platform irq indexes" * As suggested by Guennadi Liakhovetski: - Don't use a loop to initialise irq handlers, the unrolled version is easier on the eyes (and exactly the same number of lines of code!) --- drivers/mmc/host/sh_mobile_sdhi.c | 60 ++++++++++++++++++++++------------- include/linux/mmc/sh_mobile_sdhi.h | 7 ++++ 2 files changed, 45 insertions(+), 22 deletions(-)