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Message-ID: <CAPDyKFq2HOP-XhqEOu-AgpkLYuFiit-yMKHFbi44TG0BpSPp+Q@mail.gmail.com>
Date: Wed, 22 Jun 2016 17:23:58 +0200
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Adrian Hunter <adrian.hunter@...el.com>
Cc: "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Baranowska, BeataX" <beatax.baranowska@...el.com>,
"Dong, Chuanxiao" <chuanxiao.dong@...el.com>,
"Jarosz, SebastianX" <sebastianx.jarosz@...el.com>
Subject: Re: [PATCH V2] mmc: sdhci: use pr_err for sdhci_dumpregs
On 22 June 2016 at 13:40, Adrian Hunter <adrian.hunter@...el.com> wrote:
> From: Chuanxiao Dong <chuanxiao.dong@...el.com>
>
> sdhci_dumpregs is used to dump registers when error happens. Thus it should
> use pr_err instead of pr_debug to show more information about the hardware.
>
> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@...el.com>
> [Fix whitespace and checkpatch warnings]
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Thanks, applied for next!
Kind regards
Uffe
> ---
>
> Changes in V2:
>
> Fix whitespace and checkpatch warnings
> Change subject 'host' -> 'sdhci'
>
> drivers/mmc/host/sdhci.c | 92 ++++++++++++++++++++++++------------------------
> 1 file changed, 46 insertions(+), 46 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 040af1b6b412..49800d2c69fa 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -52,58 +52,58 @@ static int sdhci_get_cd(struct mmc_host *mmc);
>
> static void sdhci_dumpregs(struct sdhci_host *host)
> {
> - pr_debug(DRIVER_NAME ": =========== REGISTER DUMP (%s)===========\n",
> - mmc_hostname(host->mmc));
> -
> - pr_debug(DRIVER_NAME ": Sys addr: 0x%08x | Version: 0x%08x\n",
> - sdhci_readl(host, SDHCI_DMA_ADDRESS),
> - sdhci_readw(host, SDHCI_HOST_VERSION));
> - pr_debug(DRIVER_NAME ": Blk size: 0x%08x | Blk cnt: 0x%08x\n",
> - sdhci_readw(host, SDHCI_BLOCK_SIZE),
> - sdhci_readw(host, SDHCI_BLOCK_COUNT));
> - pr_debug(DRIVER_NAME ": Argument: 0x%08x | Trn mode: 0x%08x\n",
> - sdhci_readl(host, SDHCI_ARGUMENT),
> - sdhci_readw(host, SDHCI_TRANSFER_MODE));
> - pr_debug(DRIVER_NAME ": Present: 0x%08x | Host ctl: 0x%08x\n",
> - sdhci_readl(host, SDHCI_PRESENT_STATE),
> - sdhci_readb(host, SDHCI_HOST_CONTROL));
> - pr_debug(DRIVER_NAME ": Power: 0x%08x | Blk gap: 0x%08x\n",
> - sdhci_readb(host, SDHCI_POWER_CONTROL),
> - sdhci_readb(host, SDHCI_BLOCK_GAP_CONTROL));
> - pr_debug(DRIVER_NAME ": Wake-up: 0x%08x | Clock: 0x%08x\n",
> - sdhci_readb(host, SDHCI_WAKE_UP_CONTROL),
> - sdhci_readw(host, SDHCI_CLOCK_CONTROL));
> - pr_debug(DRIVER_NAME ": Timeout: 0x%08x | Int stat: 0x%08x\n",
> - sdhci_readb(host, SDHCI_TIMEOUT_CONTROL),
> - sdhci_readl(host, SDHCI_INT_STATUS));
> - pr_debug(DRIVER_NAME ": Int enab: 0x%08x | Sig enab: 0x%08x\n",
> - sdhci_readl(host, SDHCI_INT_ENABLE),
> - sdhci_readl(host, SDHCI_SIGNAL_ENABLE));
> - pr_debug(DRIVER_NAME ": AC12 err: 0x%08x | Slot int: 0x%08x\n",
> - sdhci_readw(host, SDHCI_ACMD12_ERR),
> - sdhci_readw(host, SDHCI_SLOT_INT_STATUS));
> - pr_debug(DRIVER_NAME ": Caps: 0x%08x | Caps_1: 0x%08x\n",
> - sdhci_readl(host, SDHCI_CAPABILITIES),
> - sdhci_readl(host, SDHCI_CAPABILITIES_1));
> - pr_debug(DRIVER_NAME ": Cmd: 0x%08x | Max curr: 0x%08x\n",
> - sdhci_readw(host, SDHCI_COMMAND),
> - sdhci_readl(host, SDHCI_MAX_CURRENT));
> - pr_debug(DRIVER_NAME ": Host ctl2: 0x%08x\n",
> - sdhci_readw(host, SDHCI_HOST_CONTROL2));
> + pr_err(DRIVER_NAME ": =========== REGISTER DUMP (%s)===========\n",
> + mmc_hostname(host->mmc));
> +
> + pr_err(DRIVER_NAME ": Sys addr: 0x%08x | Version: 0x%08x\n",
> + sdhci_readl(host, SDHCI_DMA_ADDRESS),
> + sdhci_readw(host, SDHCI_HOST_VERSION));
> + pr_err(DRIVER_NAME ": Blk size: 0x%08x | Blk cnt: 0x%08x\n",
> + sdhci_readw(host, SDHCI_BLOCK_SIZE),
> + sdhci_readw(host, SDHCI_BLOCK_COUNT));
> + pr_err(DRIVER_NAME ": Argument: 0x%08x | Trn mode: 0x%08x\n",
> + sdhci_readl(host, SDHCI_ARGUMENT),
> + sdhci_readw(host, SDHCI_TRANSFER_MODE));
> + pr_err(DRIVER_NAME ": Present: 0x%08x | Host ctl: 0x%08x\n",
> + sdhci_readl(host, SDHCI_PRESENT_STATE),
> + sdhci_readb(host, SDHCI_HOST_CONTROL));
> + pr_err(DRIVER_NAME ": Power: 0x%08x | Blk gap: 0x%08x\n",
> + sdhci_readb(host, SDHCI_POWER_CONTROL),
> + sdhci_readb(host, SDHCI_BLOCK_GAP_CONTROL));
> + pr_err(DRIVER_NAME ": Wake-up: 0x%08x | Clock: 0x%08x\n",
> + sdhci_readb(host, SDHCI_WAKE_UP_CONTROL),
> + sdhci_readw(host, SDHCI_CLOCK_CONTROL));
> + pr_err(DRIVER_NAME ": Timeout: 0x%08x | Int stat: 0x%08x\n",
> + sdhci_readb(host, SDHCI_TIMEOUT_CONTROL),
> + sdhci_readl(host, SDHCI_INT_STATUS));
> + pr_err(DRIVER_NAME ": Int enab: 0x%08x | Sig enab: 0x%08x\n",
> + sdhci_readl(host, SDHCI_INT_ENABLE),
> + sdhci_readl(host, SDHCI_SIGNAL_ENABLE));
> + pr_err(DRIVER_NAME ": AC12 err: 0x%08x | Slot int: 0x%08x\n",
> + sdhci_readw(host, SDHCI_ACMD12_ERR),
> + sdhci_readw(host, SDHCI_SLOT_INT_STATUS));
> + pr_err(DRIVER_NAME ": Caps: 0x%08x | Caps_1: 0x%08x\n",
> + sdhci_readl(host, SDHCI_CAPABILITIES),
> + sdhci_readl(host, SDHCI_CAPABILITIES_1));
> + pr_err(DRIVER_NAME ": Cmd: 0x%08x | Max curr: 0x%08x\n",
> + sdhci_readw(host, SDHCI_COMMAND),
> + sdhci_readl(host, SDHCI_MAX_CURRENT));
> + pr_err(DRIVER_NAME ": Host ctl2: 0x%08x\n",
> + sdhci_readw(host, SDHCI_HOST_CONTROL2));
>
> if (host->flags & SDHCI_USE_ADMA) {
> if (host->flags & SDHCI_USE_64_BIT_DMA)
> - pr_debug(DRIVER_NAME ": ADMA Err: 0x%08x | ADMA Ptr: 0x%08x%08x\n",
> - readl(host->ioaddr + SDHCI_ADMA_ERROR),
> - readl(host->ioaddr + SDHCI_ADMA_ADDRESS_HI),
> - readl(host->ioaddr + SDHCI_ADMA_ADDRESS));
> + pr_err(DRIVER_NAME ": ADMA Err: 0x%08x | ADMA Ptr: 0x%08x%08x\n",
> + readl(host->ioaddr + SDHCI_ADMA_ERROR),
> + readl(host->ioaddr + SDHCI_ADMA_ADDRESS_HI),
> + readl(host->ioaddr + SDHCI_ADMA_ADDRESS));
> else
> - pr_debug(DRIVER_NAME ": ADMA Err: 0x%08x | ADMA Ptr: 0x%08x\n",
> - readl(host->ioaddr + SDHCI_ADMA_ERROR),
> - readl(host->ioaddr + SDHCI_ADMA_ADDRESS));
> + pr_err(DRIVER_NAME ": ADMA Err: 0x%08x | ADMA Ptr: 0x%08x\n",
> + readl(host->ioaddr + SDHCI_ADMA_ERROR),
> + readl(host->ioaddr + SDHCI_ADMA_ADDRESS));
> }
>
> - pr_debug(DRIVER_NAME ": ===========================================\n");
> + pr_err(DRIVER_NAME ": ===========================================\n");
> }
>
> /*****************************************************************************\
> --
> 1.9.1
>
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