Hi Laurent,
On Sun, Mar 08, 2015 at 01:34:17AM +0200, Laurent Pinchart wrote:
> Hi Sakari,
>
> Thank you for the patch.
>
> (CC'ing linux-omap and Tony)
Thanks.
> On Saturday 07 March 2015 23:41:07 Sakari Ailus wrote:
> > The syscon register isn't part of the ISP, use it through the syscom driver
> > regmap instead. The syscom block is considered to be from 343x on ISP
> > revision 2.0 whereas 15.0 is assumed to have 3630 syscon.
> >
> > Signed-off-by: Sakari Ailus <sakari.ai...@iki.fi>
> > ---
> > arch/arm/boot/dts/omap3.dtsi | 2 +-
> > arch/arm/mach-omap2/devices.c | 10 ----------
> > drivers/media/platform/omap3isp/isp.c | 19 +++++++++++++++----
> > drivers/media/platform/omap3isp/isp.h | 19 +++++++++++++++++--
> > drivers/media/platform/omap3isp/ispcsiphy.c | 20 +++++++++-----------
>
> You might be asked to split the patch into two, let's see what Tony says.
>
> > 5 files changed, 42 insertions(+), 28 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
> > index 01b7111..fe0b293 100644
> > --- a/arch/arm/boot/dts/omap3.dtsi
> > +++ b/arch/arm/boot/dts/omap3.dtsi
> > @@ -183,7 +183,7 @@
> >
> > omap3_scm_general: tisyscon@48002270 {
> > compatible = "syscon";
> > - reg = <0x48002270 0x2f0>;
> > + reg = <0x48002270 0x2f4>;
> > };
> >
> > pbias_regulator: pbias_regulator {
> > diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> > index 1afb50d..e945957 100644
> > --- a/arch/arm/mach-omap2/devices.c
> > +++ b/arch/arm/mach-omap2/devices.c
> > @@ -143,16 +143,6 @@ static struct resource omap3isp_resources[] = {
> > .flags = IORESOURCE_MEM,
> > },
> > {
> > - .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
> > - .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE
> > + 3,
> > - .flags = IORESOURCE_MEM,
> > - },
> > - {
> > - .start = OMAP343X_CTRL_BASE +
> > OMAP3630_CONTROL_CAMERA_PHY_CTRL,
> > - .end = OMAP343X_CTRL_BASE +
> > OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
> > - .flags = IORESOURCE_MEM,
> > - },
> > - {
> > .start = 24 + OMAP_INTC_START,
> > .flags = IORESOURCE_IRQ,
> > }
> > diff --git a/drivers/media/platform/omap3isp/isp.c
> > b/drivers/media/platform/omap3isp/isp.c index 68d7edfc..4ff4bbd 100644
> > --- a/drivers/media/platform/omap3isp/isp.c
> > +++ b/drivers/media/platform/omap3isp/isp.c
> > @@ -51,6 +51,7 @@
> > #include <linux/dma-mapping.h>
> > #include <linux/i2c.h>
> > #include <linux/interrupt.h>
> > +#include <linux/mfd/syscon.h>
> > #include <linux/module.h>
> > #include <linux/omap-iommu.h>
> > #include <linux/platform_device.h>
> > @@ -94,8 +95,9 @@ static const struct isp_res_mapping isp_res_maps[] = {
> > 1 << OMAP3_ISP_IOMEM_RESZ |
> > 1 << OMAP3_ISP_IOMEM_SBL |
> > 1 << OMAP3_ISP_IOMEM_CSI2A_REGS1 |
> > - 1 << OMAP3_ISP_IOMEM_CSIPHY2 |
> > - 1 << OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE,
> > + 1 << OMAP3_ISP_IOMEM_CSIPHY2,
> > + .syscon_offset = 0xdc,
> > + .phy_type = ISP_PHY_TYPE_3430,
> > },
> > {
> > .isp_rev = ISP_REVISION_15_0,
> > @@ -112,8 +114,9 @@ static const struct isp_res_mapping isp_res_maps[] = {
> > 1 << OMAP3_ISP_IOMEM_CSI2A_REGS2 |
> > 1 << OMAP3_ISP_IOMEM_CSI2C_REGS1 |
> > 1 << OMAP3_ISP_IOMEM_CSIPHY1 |
> > - 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2 |
> > - 1 << OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL,
> > + 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2,
> > + .syscon_offset = 0x2f0,
> > + .phy_type = ISP_PHY_TYPE_3630,
> > },
> > };
> >
> > @@ -2352,6 +2355,14 @@ static int isp_probe(struct platform_device *pdev)
> > }
> > }
> >
> > + isp->syscon = syscon_regmap_lookup_by_pdevname("syscon.0");
> > + isp->syscon_offset = isp_res_maps[m].syscon_offset;
> > + isp->phy_type = isp_res_maps[m].phy_type;
>
> You could move those two lines after the error check to keep the check closer
> to the source of error.
Ack.
> Apart from that,
>
> Acked-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Thanks for the acks!
--
Kind regards,
Sakari Ailus
e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk
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