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Merge "spmi-pmic-arb: Read irq status register before transaction"

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Linux Build Service Account 2014-06-17 04:45:35 -07:00 committed by Gerrit - the friendly Code Review server
commit 1f926e57c8
1 changed files with 9 additions and 12 deletions
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21
drivers/spmi/spmi-pmic-arb.c
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@ -33,21 +33,23 @@
/* PMIC Arbiter configuration registers */
#define PMIC_ARB_VERSION 0x0000
#define PMIC_ARB_INT_EN 0x0004
#define PMIC_ARB_PROTOCOL_IRQ_STATUS (0x700 + 0x820)
enum {
PMIC_ARB_GENI_CTRL,
PMIC_ARB_GENI_STATUS,
PMIC_ARB_PROTOCOL_IRQ_STATUS,
};
u32 pmic_arb_regs_v1[] = {
[PMIC_ARB_GENI_CTRL] = 0x0024,
[PMIC_ARB_GENI_STATUS] = 0x0028,
[PMIC_ARB_PROTOCOL_IRQ_STATUS] = (0x700 + 0x820),
};
u32 pmic_arb_regs_v2[] = {
[PMIC_ARB_GENI_CTRL] = 0x0028,
[PMIC_ARB_GENI_STATUS] = 0x002C,
[PMIC_ARB_PROTOCOL_IRQ_STATUS] = (0x700 + 0x900),
};
/* Offset per chnnel-register type */
@ -341,7 +343,8 @@ static u32 spmi_pic_acc_en_rd(struct spmi_pmic_arb_dev *dev,
static void pmic_arb_save_stat_before_txn(struct spmi_pmic_arb_dev *dev)
{
dev->prev_prtcl_irq_stat =
readl_relaxed(dev->cnfg + PMIC_ARB_PROTOCOL_IRQ_STATUS);
readl_relaxed(dev->cnfg +
dev->ver->regs[PMIC_ARB_PROTOCOL_IRQ_STATUS]);
}
static int pmic_arb_diagnosis(struct spmi_pmic_arb_dev *dev, u32 status)
@ -419,7 +422,7 @@ static void pmic_arb_dbg_err_dump(struct spmi_pmic_arb_dev *pmic_arb, int ret,
const char *msg, u8 opc, u8 sid, u16 addr, u8 bc, u8 *buf)
{
u32 irq_stat = readl_relaxed(pmic_arb->cnfg +
PMIC_ARB_PROTOCOL_IRQ_STATUS);
pmic_arb->ver->regs[PMIC_ARB_PROTOCOL_IRQ_STATUS]);
u32 geni_stat = readl_relaxed(pmic_arb->cnfg +
pmic_arb->ver->regs[PMIC_ARB_GENI_STATUS]);
u32 geni_ctrl = readl_relaxed(pmic_arb->cnfg +
@ -436,15 +439,9 @@ static void pmic_arb_dbg_err_dump(struct spmi_pmic_arb_dev *pmic_arb, int ret,
"error:%d on non-data-cmd opcode:0x%x sid:%d\n",
ret, opc, sid);
if (irq_stat != pmic_arb->prev_prtcl_irq_stat)
dev_err(pmic_arb->dev,
"PROTOCOL_IRQ_STATUS before:0x%x after:0x%x GENI_STATUS:0x%x GENI_CTRL:0x%x\n",
irq_stat, pmic_arb->prev_prtcl_irq_stat, geni_stat,
geni_ctrl);
else if (geni_stat || geni_ctrl)
dev_err(pmic_arb->dev,
"GENI_STATUS:0x%x GENI_CTRL:0x%x\n",
geni_stat, geni_ctrl);
dev_err(pmic_arb->dev,
"PROTOCOL_IRQ_STATUS before:0x%x after:0x%x GENI_STATUS:0x%x GENI_CTRL:0x%x\n",
irq_stat, pmic_arb->prev_prtcl_irq_stat, geni_stat, geni_ctrl);
}
static int