[PATCH v8 01/10] edac: synopsys: Update the driver code for better readability

Manish Narani
2018-10-04T15:35:19Z

Modify the driver with some changes for code clean up. Update the debug
messages for EDAC errors reported. Increase the indentation of the
macros for better readability.

Signed-off-by: Manish Narani <manish.narani@xilinx.com>
---
drivers/edac/synopsys_edac.c | 104 +++++++++++++++++++++----------------------
1 file changed, 52 insertions(+), 52 deletions(-)

diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index 0c9c59e..1936c73 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c
@@ -26,74 +26,74 @@
#include "edac_module.h"

/* Number of cs_rows needed per memory controller */
-#define SYNPS_EDAC_NR_CSROWS 1
+#define SYNPS_EDAC_NR_CSROWS 1

/* Number of channels per memory controller */
-#define SYNPS_EDAC_NR_CHANS 1
+#define SYNPS_EDAC_NR_CHANS 1

/* Granularity of reported error in bytes */
-#define SYNPS_EDAC_ERR_GRAIN 1
+#define SYNPS_EDAC_ERR_GRAIN 1

-#define SYNPS_EDAC_MSG_SIZE 256
+#define SYNPS_EDAC_MSG_SIZE 256

-#define SYNPS_EDAC_MOD_STRING "synps_edac"
-#define SYNPS_EDAC_MOD_VER "1"
+#define SYNPS_EDAC_MOD_STRING "synps_edac"
+#define SYNPS_EDAC_MOD_VER "1"

/* Synopsys DDR memory controller registers that are relevant to ECC */
-#define CTRL_OFST 0x0
-#define T_ZQ_OFST 0xA4
+#define CTRL_OFST 0x0
+#define T_ZQ_OFST 0xA4

/* ECC control register */
-#define ECC_CTRL_OFST 0xC4
+#define ECC_CTRL_OFST 0xC4
/* ECC log register */
-#define CE_LOG_OFST 0xC8
+#define CE_LOG_OFST 0xC8
/* ECC address register */
-#define CE_ADDR_OFST 0xCC
+#define CE_ADDR_OFST 0xCC
/* ECC data[31:0] register */
-#define CE_DATA_31_0_OFST 0xD0
+#define CE_DATA_31_0_OFST 0xD0

/* Uncorrectable error info registers */
-#define UE_LOG_OFST 0xDC
-#define UE_ADDR_OFST 0xE0
-#define UE_DATA_31_0_OFST 0xE4
+#define UE_LOG_OFST 0xDC
+#define UE_ADDR_OFST 0xE0
+#define UE_DATA_31_0_OFST 0xE4

-#define STAT_OFST 0xF0
-#define SCRUB_OFST 0xF4
+#define STAT_OFST 0xF0
+#define SCRUB_OFST 0xF4

/* Control register bit field definitions */
-#define CTRL_BW_MASK 0xC
-#define CTRL_BW_SHIFT 2
+#define CTRL_BW_MASK 0xC
+#define CTRL_BW_SHIFT 2

-#define DDRCTL_WDTH_16 1
-#define DDRCTL_WDTH_32 0
+#define DDRCTL_WDTH_16 1
+#define DDRCTL_WDTH_32 0

/* ZQ register bit field definitions */
-#define T_ZQ_DDRMODE_MASK 0x2
+#define T_ZQ_DDRMODE_MASK 0x2

/* ECC control register bit field definitions */
-#define ECC_CTRL_CLR_CE_ERR 0x2
-#define ECC_CTRL_CLR_UE_ERR 0x1
+#define ECC_CTRL_CLR_CE_ERR 0x2
+#define ECC_CTRL_CLR_UE_ERR 0x1

/* ECC correctable/uncorrectable error log register definitions */
-#define LOG_VALID 0x1
-#define CE_LOG_BITPOS_MASK 0xFE
-#define CE_LOG_BITPOS_SHIFT 1
+#define LOG_VALID 0x1
+#define CE_LOG_BITPOS_MASK 0xFE
+#define CE_LOG_BITPOS_SHIFT 1

/* ECC correctable/uncorrectable error address register definitions */
-#define ADDR_COL_MASK 0xFFF
-#define ADDR_ROW_MASK 0xFFFF000
-#define ADDR_ROW_SHIFT 12
-#define ADDR_BANK_MASK 0x70000000
-#define ADDR_BANK_SHIFT 28
+#define ADDR_COL_MASK 0xFFF
+#define ADDR_ROW_MASK 0xFFFF000
+#define ADDR_ROW_SHIFT 12
+#define ADDR_BANK_MASK 0x70000000
+#define ADDR_BANK_SHIFT 28

/* ECC statistic register definitions */
-#define STAT_UECNT_MASK 0xFF
-#define STAT_CECNT_MASK 0xFF00
-#define STAT_CECNT_SHIFT 8
+#define STAT_UECNT_MASK 0xFF
+#define STAT_CECNT_MASK 0xFF00
+#define STAT_CECNT_SHIFT 8

/* ECC scrub register definitions */
-#define SCRUB_MODE_MASK 0x7
-#define SCRUB_MODE_SECDED 0x4
+#define SCRUB_MODE_MASK 0x7
+#define SCRUB_MODE_SECDED 0x4

/**
* struct ecc_error_info - ECC error log information
@@ -172,7 +172,7 @@ static int synps_edac_geterror_info(void __iomem *base,
p->ceinfo.col = regval & ADDR_COL_MASK;
p->ceinfo.bank = (regval & ADDR_BANK_MASK) >> ADDR_BANK_SHIFT;
p->ceinfo.data = readl(base + CE_DATA_31_0_OFST);
- edac_dbg(3, "ce bit position: %d data: %d\n", p->ceinfo.bitpos,
+ edac_dbg(3, "CE bit position: %d data: %d\n", p->ceinfo.bitpos,
p->ceinfo.data);
clearval = ECC_CTRL_CLR_CE_ERR;

@@ -250,7 +250,7 @@ static void synps_edac_check(struct mem_ctl_info *mci)
priv->ue_cnt += priv->stat.ue_cnt;
synps_edac_handle_error(mci, &priv->stat);

- edac_dbg(3, "Total error count ce %d ue %d\n",
+ edac_dbg(3, "Total error count CE %d UE %d\n",
priv->ce_cnt, priv->ue_cnt);
}

@@ -295,9 +295,9 @@ static enum dev_type synps_edac_get_dtype(const void __iomem *base)
*/
static bool synps_edac_get_eccstate(void __iomem *base)
{
+ bool state = false;
enum dev_type dt;
u32 ecctype;
- bool state = false;

dt = synps_edac_get_dtype(base);
if (dt == DEV_UNKNOWN)
@@ -359,23 +359,23 @@ static enum mem_type synps_edac_get_mtype(const void __iomem *base)
*/
static int synps_edac_init_csrows(struct mem_ctl_info *mci)
{
+ struct synps_edac_priv *priv = mci->pvt_info;
struct csrow_info *csi;
struct dimm_info *dimm;
- struct synps_edac_priv *priv = mci->pvt_info;
- u32 size;
- int row, j;
+ u32 size, row;
+ int j;

for (row = 0; row < mci->nr_csrows; row++) {
csi = mci->csrows[row];
size = synps_edac_get_memsize();

for (j = 0; j < csi->nr_channels; j++) {
- dimm = csi->channels[j]->dimm;
- dimm->edac_mode = EDAC_FLAG_SECDED;
- dimm->mtype = synps_edac_get_mtype(priv->baseaddr);
- dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
- dimm->grain = SYNPS_EDAC_ERR_GRAIN;
- dimm->dtype = synps_edac_get_dtype(priv->baseaddr);
+ dimm = csi->channels[j]->dimm;
+ dimm->edac_mode = EDAC_FLAG_SECDED;
+ dimm->mtype = synps_edac_get_mtype(priv->baseaddr);
+ dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
+ dimm->grain = SYNPS_EDAC_ERR_GRAIN;
+ dimm->dtype = synps_edac_get_dtype(priv->baseaddr);
}
}

@@ -434,12 +434,12 @@ static int synps_edac_mc_init(struct mem_ctl_info *mci,
*/
static int synps_edac_mc_probe(struct platform_device *pdev)
{
- struct mem_ctl_info *mci;
struct edac_mc_layer layers[2];
struct synps_edac_priv *priv;
- int rc;
- struct resource *res;
+ struct mem_ctl_info *mci;
void __iomem *baseaddr;
+ struct resource *res;
+ int rc;

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
baseaddr = devm_ioremap_resource(&pdev->dev, res);
--
2.1.1