On Fri, Oct 09, 2020 at 08:16:38PM +0300, Laurent Pinchart wrote: > Hi Sakari, > > Thank you for the patch. > > On Fri, Oct 09, 2020 at 06:07:54PM +0300, Sakari Ailus wrote: > > Use unsigned values for width, height, bit shifts and registers, > > effectively for all definitions that are not signed. > > > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > > --- > > drivers/media/pci/intel/ipu3/ipu3-cio2.h | 156 +++++++++++------------ > > 1 file changed, 78 insertions(+), 78 deletions(-) > > > > diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.h b/drivers/media/pci/intel/ipu3/ipu3-cio2.h > > index 146492383aa5..7650d7998a3f 100644 > > --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.h > > +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.h > > @@ -13,20 +13,20 @@ > > #define CIO2_PCI_BAR 0 > > #define CIO2_DMA_MASK DMA_BIT_MASK(39) > > > > -#define CIO2_IMAGE_MAX_WIDTH 4224 > > -#define CIO2_IMAGE_MAX_LENGTH 3136 > > +#define CIO2_IMAGE_MAX_WIDTH 4224U > > +#define CIO2_IMAGE_MAX_LENGTH 3136U > > > > /* 32MB = 8xFBPT_entry */ > > #define CIO2_MAX_LOPS 8 > > #define CIO2_MAX_BUFFERS (PAGE_SIZE / 16 / CIO2_MAX_LOPS) > > #define CIO2_LOP_ENTRIES (PAGE_SIZE / sizeof(u32)) > > > > -#define CIO2_PAD_SINK 0 > > -#define CIO2_PAD_SOURCE 1 > > -#define CIO2_PADS 2 > > +#define CIO2_PAD_SINK 0U > > +#define CIO2_PAD_SOURCE 1U > > +#define CIO2_PADS 2U > > I would have done this only for values that are meant to be used in > arithmetic expressions, such as CIO2_IMAGE_MAX_WIDTH and > CIO2_IMAGE_MAX_LENGTH. Up to you. I'd say the register values are inherently unsigned albeit it doesn't really matter if the sign bit is there in most cases. > > Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Thanks! > > > > > -#define CIO2_NUM_DMA_CHAN 20 > > -#define CIO2_NUM_PORTS 4 /* DPHYs */ > > +#define CIO2_NUM_DMA_CHAN 20U > > +#define CIO2_NUM_PORTS 4U /* DPHYs */ > > > > /* 1 for each sensor */ > > #define CIO2_QUEUES CIO2_NUM_PORTS > > @@ -66,12 +66,12 @@ > > #define CIO2_REG_MIPIBE_FORCE_RAW8 (CIO2_REG_MIPIBE_BASE + 0x20) > > #define CIO2_REG_MIPIBE_FORCE_RAW8_ENABLE BIT(0) > > #define CIO2_REG_MIPIBE_FORCE_RAW8_USE_TYPEID BIT(1) > > -#define CIO2_REG_MIPIBE_FORCE_RAW8_TYPEID_SHIFT 2 > > +#define CIO2_REG_MIPIBE_FORCE_RAW8_TYPEID_SHIFT 2U > > > > #define CIO2_REG_MIPIBE_IRQ_STATUS (CIO2_REG_MIPIBE_BASE + 0x24) > > #define CIO2_REG_MIPIBE_IRQ_CLEAR (CIO2_REG_MIPIBE_BASE + 0x28) > > #define CIO2_REG_MIPIBE_GLOBAL_LUT_DISREGARD (CIO2_REG_MIPIBE_BASE + 0x68) > > -#define CIO2_MIPIBE_GLOBAL_LUT_DISREGARD 1 > > +#define CIO2_MIPIBE_GLOBAL_LUT_DISREGARD 1U > > #define CIO2_REG_MIPIBE_PKT_STALL_STATUS (CIO2_REG_MIPIBE_BASE + 0x6c) > > #define CIO2_REG_MIPIBE_PARSE_GSP_THROUGH_LP_LUT_REG_IDX \ > > (CIO2_REG_MIPIBE_BASE + 0x70) > > @@ -79,10 +79,10 @@ > > (CIO2_REG_MIPIBE_BASE + 0x74 + 4 * (vc)) > > #define CIO2_REG_MIPIBE_LP_LUT_ENTRY(m) /* m = 0..15 */ \ > > (CIO2_REG_MIPIBE_BASE + 0x84 + 4 * (m)) > > -#define CIO2_MIPIBE_LP_LUT_ENTRY_DISREGARD 1 > > -#define CIO2_MIPIBE_LP_LUT_ENTRY_SID_SHIFT 1 > > -#define CIO2_MIPIBE_LP_LUT_ENTRY_VC_SHIFT 5 > > -#define CIO2_MIPIBE_LP_LUT_ENTRY_FORMAT_TYPE_SHIFT 7 > > +#define CIO2_MIPIBE_LP_LUT_ENTRY_DISREGARD 1U > > +#define CIO2_MIPIBE_LP_LUT_ENTRY_SID_SHIFT 1U > > +#define CIO2_MIPIBE_LP_LUT_ENTRY_VC_SHIFT 5U > > +#define CIO2_MIPIBE_LP_LUT_ENTRY_FORMAT_TYPE_SHIFT 7U > > > > /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_IRQCTRL_BASE */ > > /* IRQ registers are 18-bit wide, see cio2_irq_error for bit definitions */ > > @@ -113,31 +113,31 @@ > > #define CIO2_CGC_ROSC_DCGE BIT(12) > > #define CIO2_CGC_XOSC_DCGE BIT(13) > > #define CIO2_CGC_FLIS_DCGE BIT(14) > > -#define CIO2_CGC_CLKGATE_HOLDOFF_SHIFT 20 > > -#define CIO2_CGC_CSI_CLKGATE_HOLDOFF_SHIFT 24 > > +#define CIO2_CGC_CLKGATE_HOLDOFF_SHIFT 20U > > +#define CIO2_CGC_CSI_CLKGATE_HOLDOFF_SHIFT 24U > > #define CIO2_REG_D0I3C 0x1408 > > #define CIO2_D0I3C_I3 BIT(2) /* Set D0I3 */ > > #define CIO2_D0I3C_RR BIT(3) /* Restore? */ > > #define CIO2_REG_SWRESET 0x140c > > -#define CIO2_SWRESET_SWRESET 1 > > +#define CIO2_SWRESET_SWRESET 1U > > #define CIO2_REG_SENSOR_ACTIVE 0x1410 > > #define CIO2_REG_INT_STS 0x1414 > > #define CIO2_REG_INT_STS_EXT_OE 0x1418 > > -#define CIO2_INT_EXT_OE_DMAOE_SHIFT 0 > > +#define CIO2_INT_EXT_OE_DMAOE_SHIFT 0U > > #define CIO2_INT_EXT_OE_DMAOE_MASK 0x7ffff > > -#define CIO2_INT_EXT_OE_OES_SHIFT 24 > > +#define CIO2_INT_EXT_OE_OES_SHIFT 24U > > #define CIO2_INT_EXT_OE_OES_MASK (0xf << CIO2_INT_EXT_OE_OES_SHIFT) > > #define CIO2_REG_INT_EN 0x1420 > > #define CIO2_REG_INT_EN_IRQ (1 << 24) > > -#define CIO2_REG_INT_EN_IOS(dma) (1 << (((dma) >> 1) + 12)) > > +#define CIO2_REG_INT_EN_IOS(dma) (1U << (((dma) >> 1U) + 12U)) > > /* > > * Interrupt on completion bit, Eg. DMA 0-3 maps to bit 0-3, > > * DMA4 & DMA5 map to bit 4 ... DMA18 & DMA19 map to bit 11 Et cetera > > */ > > -#define CIO2_INT_IOC(dma) (1 << ((dma) < 4 ? (dma) : ((dma) >> 1) + 2)) > > +#define CIO2_INT_IOC(dma) (1U << ((dma) < 4U ? (dma) : ((dma) >> 1U) + 2U)) > > #define CIO2_INT_IOC_SHIFT 0 > > #define CIO2_INT_IOC_MASK (0x7ff << CIO2_INT_IOC_SHIFT) > > -#define CIO2_INT_IOS_IOLN(dma) (1 << (((dma) >> 1) + 12)) > > +#define CIO2_INT_IOS_IOLN(dma) (1U << (((dma) >> 1U) + 12U)) > > #define CIO2_INT_IOS_IOLN_SHIFT 12 > > #define CIO2_INT_IOS_IOLN_MASK (0x3ff << CIO2_INT_IOS_IOLN_SHIFT) > > #define CIO2_INT_IOIE BIT(22) > > @@ -145,32 +145,32 @@ > > #define CIO2_INT_IOIRQ BIT(24) > > #define CIO2_REG_INT_EN_EXT_OE 0x1424 > > #define CIO2_REG_DMA_DBG 0x1448 > > -#define CIO2_REG_DMA_DBG_DMA_INDEX_SHIFT 0 > > +#define CIO2_REG_DMA_DBG_DMA_INDEX_SHIFT 0U > > #define CIO2_REG_PBM_ARB_CTRL 0x1460 > > -#define CIO2_PBM_ARB_CTRL_LANES_DIV 0 /* 4-4-2-2 lanes */ > > -#define CIO2_PBM_ARB_CTRL_LANES_DIV_SHIFT 0 > > +#define CIO2_PBM_ARB_CTRL_LANES_DIV 0U /* 4-4-2-2 lanes */ > > +#define CIO2_PBM_ARB_CTRL_LANES_DIV_SHIFT 0U > > #define CIO2_PBM_ARB_CTRL_LE_EN BIT(7) > > -#define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN 2 > > -#define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN_SHIFT 8 > > -#define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP 480 > > -#define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP_SHIFT 16 > > +#define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN 2U > > +#define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN_SHIFT 8U > > +#define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP 480U > > +#define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP_SHIFT 16U > > #define CIO2_REG_PBM_WMCTRL1 0x1464 > > -#define CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT 0 > > -#define CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT 8 > > -#define CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT 16 > > +#define CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT 0U > > +#define CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT 8U > > +#define CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT 16U > > #define CIO2_PBM_WMCTRL1_TS_COUNT_DISABLE BIT(31) > > #define CIO2_PBM_WMCTRL1_MIN_2CK (4 << CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT) > > #define CIO2_PBM_WMCTRL1_MID1_2CK (16 << CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT) > > #define CIO2_PBM_WMCTRL1_MID2_2CK (21 << CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT) > > #define CIO2_REG_PBM_WMCTRL2 0x1468 > > -#define CIO2_PBM_WMCTRL2_HWM_2CK 40 > > -#define CIO2_PBM_WMCTRL2_HWM_2CK_SHIFT 0 > > -#define CIO2_PBM_WMCTRL2_LWM_2CK 22 > > -#define CIO2_PBM_WMCTRL2_LWM_2CK_SHIFT 8 > > -#define CIO2_PBM_WMCTRL2_OBFFWM_2CK 2 > > -#define CIO2_PBM_WMCTRL2_OBFFWM_2CK_SHIFT 16 > > -#define CIO2_PBM_WMCTRL2_TRANSDYN 1 > > -#define CIO2_PBM_WMCTRL2_TRANSDYN_SHIFT 24 > > +#define CIO2_PBM_WMCTRL2_HWM_2CK 40U > > +#define CIO2_PBM_WMCTRL2_HWM_2CK_SHIFT 0U > > +#define CIO2_PBM_WMCTRL2_LWM_2CK 22U > > +#define CIO2_PBM_WMCTRL2_LWM_2CK_SHIFT 8U > > +#define CIO2_PBM_WMCTRL2_OBFFWM_2CK 2U > > +#define CIO2_PBM_WMCTRL2_OBFFWM_2CK_SHIFT 16U > > +#define CIO2_PBM_WMCTRL2_TRANSDYN 1U > > +#define CIO2_PBM_WMCTRL2_TRANSDYN_SHIFT 24U > > #define CIO2_PBM_WMCTRL2_DYNWMEN BIT(28) > > #define CIO2_PBM_WMCTRL2_OBFF_MEM_EN BIT(29) > > #define CIO2_PBM_WMCTRL2_OBFF_CPU_EN BIT(30) > > @@ -178,12 +178,12 @@ > > #define CIO2_REG_PBM_TS_COUNT 0x146c > > #define CIO2_REG_PBM_FOPN_ABORT 0x1474 > > /* below n = 0..3 */ > > -#define CIO2_PBM_FOPN_ABORT(n) (0x1 << 8 * (n)) > > -#define CIO2_PBM_FOPN_FORCE_ABORT(n) (0x2 << 8 * (n)) > > -#define CIO2_PBM_FOPN_FRAMEOPEN(n) (0x8 << 8 * (n)) > > +#define CIO2_PBM_FOPN_ABORT(n) (0x1 << 8U * (n)) > > +#define CIO2_PBM_FOPN_FORCE_ABORT(n) (0x2 << 8U * (n)) > > +#define CIO2_PBM_FOPN_FRAMEOPEN(n) (0x8 << 8U * (n)) > > #define CIO2_REG_LTRCTRL 0x1480 > > #define CIO2_LTRCTRL_LTRDYNEN BIT(16) > > -#define CIO2_LTRCTRL_LTRSTABLETIME_SHIFT 8 > > +#define CIO2_LTRCTRL_LTRSTABLETIME_SHIFT 8U > > #define CIO2_LTRCTRL_LTRSTABLETIME_MASK 0xff > > #define CIO2_LTRCTRL_LTRSEL1S3 BIT(7) > > #define CIO2_LTRCTRL_LTRSEL1S2 BIT(6) > > @@ -195,28 +195,28 @@ > > #define CIO2_LTRCTRL_LTRSEL2S0 BIT(0) > > #define CIO2_REG_LTRVAL23 0x1484 > > #define CIO2_REG_LTRVAL01 0x1488 > > -#define CIO2_LTRVAL02_VAL_SHIFT 0 > > -#define CIO2_LTRVAL02_SCALE_SHIFT 10 > > -#define CIO2_LTRVAL13_VAL_SHIFT 16 > > -#define CIO2_LTRVAL13_SCALE_SHIFT 26 > > +#define CIO2_LTRVAL02_VAL_SHIFT 0U > > +#define CIO2_LTRVAL02_SCALE_SHIFT 10U > > +#define CIO2_LTRVAL13_VAL_SHIFT 16U > > +#define CIO2_LTRVAL13_SCALE_SHIFT 26U > > > > -#define CIO2_LTRVAL0_VAL 175 > > +#define CIO2_LTRVAL0_VAL 175U > > /* Value times 1024 ns */ > > -#define CIO2_LTRVAL0_SCALE 2 > > -#define CIO2_LTRVAL1_VAL 90 > > -#define CIO2_LTRVAL1_SCALE 2 > > -#define CIO2_LTRVAL2_VAL 90 > > -#define CIO2_LTRVAL2_SCALE 2 > > -#define CIO2_LTRVAL3_VAL 90 > > -#define CIO2_LTRVAL3_SCALE 2 > > +#define CIO2_LTRVAL0_SCALE 2U > > +#define CIO2_LTRVAL1_VAL 90U > > +#define CIO2_LTRVAL1_SCALE 2U > > +#define CIO2_LTRVAL2_VAL 90U > > +#define CIO2_LTRVAL2_SCALE 2U > > +#define CIO2_LTRVAL3_VAL 90U > > +#define CIO2_LTRVAL3_SCALE 2U > > > > #define CIO2_REG_CDMABA(n) (0x1500 + 0x10 * (n)) /* n = 0..19 */ > > #define CIO2_REG_CDMARI(n) (0x1504 + 0x10 * (n)) > > -#define CIO2_CDMARI_FBPT_RP_SHIFT 0 > > +#define CIO2_CDMARI_FBPT_RP_SHIFT 0U > > #define CIO2_CDMARI_FBPT_RP_MASK 0xff > > #define CIO2_REG_CDMAC0(n) (0x1508 + 0x10 * (n)) > > -#define CIO2_CDMAC0_FBPT_LEN_SHIFT 0 > > -#define CIO2_CDMAC0_FBPT_WIDTH_SHIFT 8 > > +#define CIO2_CDMAC0_FBPT_LEN_SHIFT 0U > > +#define CIO2_CDMAC0_FBPT_WIDTH_SHIFT 8U > > #define CIO2_CDMAC0_FBPT_NS BIT(25) > > #define CIO2_CDMAC0_DMA_INTR_ON_FS BIT(26) > > #define CIO2_CDMAC0_DMA_INTR_ON_FE BIT(27) > > @@ -225,12 +225,12 @@ > > #define CIO2_CDMAC0_DMA_EN BIT(30) > > #define CIO2_CDMAC0_DMA_HALTED BIT(31) > > #define CIO2_REG_CDMAC1(n) (0x150c + 0x10 * (n)) > > -#define CIO2_CDMAC1_LINENUMINT_SHIFT 0 > > -#define CIO2_CDMAC1_LINENUMUPDATE_SHIFT 16 > > +#define CIO2_CDMAC1_LINENUMINT_SHIFT 0U > > +#define CIO2_CDMAC1_LINENUMUPDATE_SHIFT 16U > > /* n = 0..3 */ > > #define CIO2_REG_PXM_PXF_FMT_CFG0(n) (0x1700 + 0x30 * (n)) > > -#define CIO2_PXM_PXF_FMT_CFG_SID0_SHIFT 0 > > -#define CIO2_PXM_PXF_FMT_CFG_SID1_SHIFT 16 > > +#define CIO2_PXM_PXF_FMT_CFG_SID0_SHIFT 0U > > +#define CIO2_PXM_PXF_FMT_CFG_SID1_SHIFT 16U > > #define CIO2_PXM_PXF_FMT_CFG_PCK_64B (0 << 0) > > #define CIO2_PXM_PXF_FMT_CFG_PCK_32B (1 << 0) > > #define CIO2_PXM_PXF_FMT_CFG_BPP_08 (0 << 2) > > @@ -249,27 +249,27 @@ > > #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_BD (1 << 10) > > #define CIO2_REG_INT_STS_EXT_IE 0x17e4 > > #define CIO2_REG_INT_EN_EXT_IE 0x17e8 > > -#define CIO2_INT_EXT_IE_ECC_RE(n) (0x01 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_DPHY_NR(n) (0x02 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_ECC_NR(n) (0x04 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_CRCERR(n) (0x08 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_INTERFRAMEDATA(n) (0x10 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_PKT2SHORT(n) (0x20 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_PKT2LONG(n) (0x40 << (8 * (n))) > > -#define CIO2_INT_EXT_IE_IRQ(n) (0x80 << (8 * (n))) > > +#define CIO2_INT_EXT_IE_ECC_RE(n) (0x01 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_DPHY_NR(n) (0x02 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_ECC_NR(n) (0x04 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_CRCERR(n) (0x08 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_INTERFRAMEDATA(n) (0x10 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_PKT2SHORT(n) (0x20 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_PKT2LONG(n) (0x40 << (8U * (n))) > > +#define CIO2_INT_EXT_IE_IRQ(n) (0x80 << (8U * (n))) > > #define CIO2_REG_PXM_FRF_CFG(n) (0x1720 + 0x30 * (n)) > > #define CIO2_PXM_FRF_CFG_FNSEL BIT(0) > > #define CIO2_PXM_FRF_CFG_FN_RST BIT(1) > > #define CIO2_PXM_FRF_CFG_ABORT BIT(2) > > -#define CIO2_PXM_FRF_CFG_CRC_TH_SHIFT 3 > > +#define CIO2_PXM_FRF_CFG_CRC_TH_SHIFT 3U > > #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NR BIT(8) > > #define CIO2_PXM_FRF_CFG_MSK_ECC_RE BIT(9) > > #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NE BIT(10) > > -#define CIO2_PXM_FRF_CFG_EVEN_ODD_MODE_SHIFT 11 > > +#define CIO2_PXM_FRF_CFG_EVEN_ODD_MODE_SHIFT 11U > > #define CIO2_PXM_FRF_CFG_MASK_CRC_THRES BIT(13) > > #define CIO2_PXM_FRF_CFG_MASK_CSI_ACCEPT BIT(14) > > #define CIO2_PXM_FRF_CFG_CIOHC_FS_MODE BIT(15) > > -#define CIO2_PXM_FRF_CFG_CIOHC_FRST_FRM_SHIFT 16 > > +#define CIO2_PXM_FRF_CFG_CIOHC_FRST_FRM_SHIFT 16U > > #define CIO2_REG_PXM_SID2BID0(n) (0x1724 + 0x30 * (n)) > > #define CIO2_FB_HPLL_FREQ 0x2 > > #define CIO2_ISCLK_RATIO 0xc > > @@ -278,14 +278,14 @@ > > > > #define CIO2_INT_EN_EXT_OE_MASK 0x8f0fffff > > > > -#define CIO2_CGC_CLKGATE_HOLDOFF 3 > > -#define CIO2_CGC_CSI_CLKGATE_HOLDOFF 5 > > +#define CIO2_CGC_CLKGATE_HOLDOFF 3U > > +#define CIO2_CGC_CSI_CLKGATE_HOLDOFF 5U > > > > #define CIO2_PXM_FRF_CFG_CRC_TH 16 > > > > #define CIO2_INT_EN_EXT_IE_MASK 0xffffffff > > > > -#define CIO2_DMA_CHAN 0 > > +#define CIO2_DMA_CHAN 0U > > > > #define CIO2_CSIRX_DLY_CNT_CLANE_IDX -1 > > > > @@ -302,8 +302,8 @@ > > #define CIO2_CSIRX_DLY_CNT_TERMEN_DEFAULT 0x4 > > #define CIO2_CSIRX_DLY_CNT_SETTLE_DEFAULT 0x570 > > > > -#define CIO2_PMCSR_OFFSET 4 > > -#define CIO2_PMCSR_D0D3_SHIFT 2 > > +#define CIO2_PMCSR_OFFSET 4U > > +#define CIO2_PMCSR_D0D3_SHIFT 2U > > #define CIO2_PMCSR_D3 0x3 > > > > struct cio2_csi2_timing { > > -- > Regards, > > Laurent Pinchart -- Sakari Ailus