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Subject[PATCH 1/6] spmi: pmic-arb: Add sid and address to error messages
Date
From: Stephen Boyd <swboyd@chromium.org>

It's useful to know what particular device/component is having trouble
accessing the bus. Add the sid and address to error messages here so
that debugging is a little simpler.

Cc: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Cc: satya priya <skakit@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210920234849.3614036-1-swboyd@chromium.org
Reviewed-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Reviewed-by: Satya Priya <skakit@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
drivers/spmi/spmi-pmic-arb.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index bbbd311eda03..e397c2532c8d 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -261,20 +261,21 @@ static int pmic_arb_wait_for_done(struct spmi_controller *ctrl,

if (status & PMIC_ARB_STATUS_DONE) {
if (status & PMIC_ARB_STATUS_DENIED) {
- dev_err(&ctrl->dev, "%s: transaction denied (0x%x)\n",
- __func__, status);
+ dev_err(&ctrl->dev, "%s: %#x %#x: transaction denied (%#x)\n",
+ __func__, sid, addr, status);
return -EPERM;
}

if (status & PMIC_ARB_STATUS_FAILURE) {
- dev_err(&ctrl->dev, "%s: transaction failed (0x%x)\n",
- __func__, status);
+ dev_err(&ctrl->dev, "%s: %#x %#x: transaction failed (%#x)\n",
+ __func__, sid, addr, status);
+ WARN_ON(1);
return -EIO;
}

if (status & PMIC_ARB_STATUS_DROPPED) {
- dev_err(&ctrl->dev, "%s: transaction dropped (0x%x)\n",
- __func__, status);
+ dev_err(&ctrl->dev, "%s: %#x %#x: transaction dropped (%#x)\n",
+ __func__, sid, addr, status);
return -EIO;
}

@@ -283,8 +284,8 @@ static int pmic_arb_wait_for_done(struct spmi_controller *ctrl,
udelay(1);
}

- dev_err(&ctrl->dev, "%s: timeout, status 0x%x\n",
- __func__, status);
+ dev_err(&ctrl->dev, "%s: %#x %#x: timeout, status %#x\n",
+ __func__, sid, addr, status);
return -ETIMEDOUT;
}

--
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git
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