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.liakhovet...@gmx.de>
> > Cc: Magnus Damm <magnus.d...@gmail.com>
> > Signed-off-by: Simon Horman <ho...@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.
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