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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-23 11:10:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-23 11:10:53 -0700 |
| commit | e7c5412f77ac41ff14873f445bce0db4fef5890c (patch) | |
| tree | db137be3de86a328707e05374755a2446a16f61f /drivers | |
| parent | e47f2e50ead9dd9eb10b2626d739760e71ce6d43 (diff) | |
| parent | 005d675aa1909ad70456dec8c5b0ba9b60b52d24 (diff) | |
| download | linux-0-day-e7c5412f77ac41ff14873f445bce0db4fef5890c.tar.gz linux-0-day-e7c5412f77ac41ff14873f445bce0db4fef5890c.tar.xz | |
Merge tag 'mmc-v4.8-rc7' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC fix from Ulf Hansson:
"MMC host:
- dw_mmc: fix the spamming log message"
* tag 'mmc-v4.8-rc7' of git://git.linaro.org/people/ulf.hansson/mmc:
mmc: dw_mmc: fix the spamming log message
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 14 | ||||
| -rw-r--r-- | drivers/mmc/host/dw_mmc.h | 3 |
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 32380d5d4f6b1..767af2026f8b4 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1112,11 +1112,12 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) div = (host->bus_hz != clock) ? DIV_ROUND_UP(div, 2) : 0; - dev_info(&slot->mmc->class_dev, - "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ div = %d)\n", - slot->id, host->bus_hz, clock, - div ? ((host->bus_hz / div) >> 1) : - host->bus_hz, div); + if (clock != slot->__clk_old || force_clkinit) + dev_info(&slot->mmc->class_dev, + "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ div = %d)\n", + slot->id, host->bus_hz, clock, + div ? ((host->bus_hz / div) >> 1) : + host->bus_hz, div); /* disable clock */ mci_writel(host, CLKENA, 0); @@ -1139,6 +1140,9 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) /* inform CIU */ mci_send_cmd(slot, sdmmc_cmd_bits, 0); + + /* keep the last clock value that was requested from core */ + slot->__clk_old = clock; } host->current_speed = clock; diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 9e740bc232a8b..e8cd2dec3263d 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -249,6 +249,8 @@ extern int dw_mci_resume(struct dw_mci *host); * @queue_node: List node for placing this node in the @queue list of * &struct dw_mci. * @clock: Clock rate configured by set_ios(). Protected by host->lock. + * @__clk_old: The last clock value that was requested from core. + * Keeping track of this helps us to avoid spamming the console. * @flags: Random state bits associated with the slot. * @id: Number of this slot. * @sdio_id: Number of this slot in the SDIO interrupt registers. @@ -263,6 +265,7 @@ struct dw_mci_slot { struct list_head queue_node; unsigned int clock; + unsigned int __clk_old; unsigned long flags; #define DW_MMC_CARD_PRESENT 0 |