On 10/07/20 2:10 pm, Ben Chuang wrote:
> From: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
>
> Dump UHS-II specific registers, if available, in sdhci_dumpregs()
> for informative/debugging use.
>
> Signed-off-by: Ben Chuang <ben.chuang@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 37b1158c1c0c..c2f6923d296c 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -111,6 +111,30 @@ void sdhci_dumpregs(struct sdhci_host *host)
> }
> }
>
> + if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) &&
> + host->mmc && host->mmc->flags & MMC_UHS2_SUPPORT) {
> + SDHCI_DUMP("==================== UHS2 ==================\n");
> + SDHCI_DUMP("Blk Size: 0x%08x | Blk Cnt: 0x%08x\n",
> + sdhci_readw(host, SDHCI_UHS2_BLOCK_SIZE),
> + sdhci_readl(host, SDHCI_UHS2_BLOCK_COUNT));
> + SDHCI_DUMP("Cmd: 0x%08x | Trn mode: 0x%08x\n",
> + sdhci_readw(host, SDHCI_UHS2_COMMAND),
> + sdhci_readw(host, SDHCI_UHS2_TRANS_MODE));
> + SDHCI_DUMP("Int Stat: 0x%08x | Dev Sel : 0x%08x\n",
> + sdhci_readw(host, SDHCI_UHS2_DEV_INT_STATUS),
> + sdhci_readb(host, SDHCI_UHS2_DEV_SELECT));
> + SDHCI_DUMP("Dev Int Code: 0x%08x\n",
> + sdhci_readb(host, SDHCI_UHS2_DEV_INT_CODE));
> + SDHCI_DUMP("Reset: 0x%08x | Timer: 0x%08x\n",
> + sdhci_readw(host, SDHCI_UHS2_SW_RESET),
> + sdhci_readw(host, SDHCI_UHS2_TIMER_CTRL));
> + SDHCI_DUMP("ErrInt: 0x%08x | ErrIntEn: 0x%08x\n",
> + sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS),
> + sdhci_readl(host, SDHCI_UHS2_ERR_INT_STATUS_EN));
> + SDHCI_DUMP("ErrSigEn: 0x%08x\n",
> + sdhci_readl(host, SDHCI_UHS2_ERR_INT_SIG_EN));
> + }
> +
Let's make this a host op instead ie.
if (host->ops->dump_uhs2_regs)
host->ops->dump_uhs2_regs(host);
> if (host->ops->dump_vendor_regs)
> host->ops->dump_vendor_regs(host);
>
>
