Hi Andy, On 4/2/24 10:44 PM, Andy Shevchenko wrote: > Always check exact PCI ID match and drop hack checks. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Thank you for your patch. I have merged this in my media-atomisp branch: https://git.kernel.org/pub/scm/linux/kernel/git/hansg/linux.git/log/?h=media-atomisp And this patch will be included in my next pull-request to Mauro (to media subsystem maintainer) Regards, Hans > --- > .../media/atomisp/pci/atomisp_internal.h | 3 +- > .../staging/media/atomisp/pci/atomisp_v4l2.c | 40 +++++++++---------- > 2 files changed, 21 insertions(+), 22 deletions(-) > > diff --git a/drivers/staging/media/atomisp/pci/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp_internal.h > index bba9bc64d447..e6a090d9f310 100644 > --- a/drivers/staging/media/atomisp/pci/atomisp_internal.h > +++ b/drivers/staging/media/atomisp/pci/atomisp_internal.h > @@ -49,14 +49,13 @@ > (((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \ > ((rev) << ATOMISP_HW_REVISION_SHIFT)) > > -#define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8 > +#define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 > /* MRFLD with 0x1178: ISP freq can burst to 457MHz */ > #define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178 > /* MRFLD with 0x1179: max ISP freq limited to 400MHz */ > #define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179 > /* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */ > #define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a > -#define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 > #define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478 > #define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8 > > diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c > index f736e54c7df3..4f414b812408 100644 > --- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c > +++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c > @@ -1238,7 +1238,8 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i > const struct atomisp_platform_data *pdata; > struct atomisp_device *isp; > unsigned int start; > - int err, val; > + u32 val; > + int err; > > /* Pointer to struct device. */ > atomisp_dev = &pdev->dev; > @@ -1266,8 +1267,10 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i > > pci_set_drvdata(pdev, isp); > > - switch (id->device & ATOMISP_PCI_DEVICE_SOC_MASK) { > + switch (id->device) { > case ATOMISP_PCI_DEVICE_SOC_MRFLD: > + case ATOMISP_PCI_DEVICE_SOC_MRFLD_1179: > + case ATOMISP_PCI_DEVICE_SOC_MRFLD_117A: > isp->media_dev.hw_revision = > (ATOMISP_HW_REVISION_ISP2400 > << ATOMISP_HW_REVISION_SHIFT) | > @@ -1420,28 +1423,25 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i > */ > atomisp_css2_hw_store_32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1); > > - if ((id->device & ATOMISP_PCI_DEVICE_SOC_MASK) == > - ATOMISP_PCI_DEVICE_SOC_MRFLD) { > - u32 csi_afe_trim; > - > + switch (id->device) { > + case ATOMISP_PCI_DEVICE_SOC_MRFLD: > + case ATOMISP_PCI_DEVICE_SOC_MRFLD_1179: > + case ATOMISP_PCI_DEVICE_SOC_MRFLD_117A: > /* > * Workaround for imbalance data eye issue which is observed > * on TNG B0. > */ > - pci_read_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, &csi_afe_trim); > - csi_afe_trim &= ~((MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << > - MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) | > - (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << > - MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) | > - (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << > - MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT)); > - csi_afe_trim |= (MRFLD_PCI_CSI1_HSRXCLKTRIM << > - MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) | > - (MRFLD_PCI_CSI2_HSRXCLKTRIM << > - MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) | > - (MRFLD_PCI_CSI3_HSRXCLKTRIM << > - MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT); > - pci_write_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, csi_afe_trim); > + pci_read_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, &val); > + val &= ~((MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) | > + (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) | > + (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT)); > + val |= (MRFLD_PCI_CSI1_HSRXCLKTRIM << MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) | > + (MRFLD_PCI_CSI2_HSRXCLKTRIM << MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) | > + (MRFLD_PCI_CSI3_HSRXCLKTRIM << MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT); > + pci_write_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, val); > + break; > + default: > + break; > } > > err = atomisp_initialize_modules(isp);