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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-10-11 06:02:51 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-10-11 06:02:51 +0300 |
| commit | 3873691e5ab34fa26948643d038a2b98c4437298 (patch) | |
| tree | 5327469194c2167830bce38b56a618b754cdbeea /drivers/mmc/host/dw_mmc.c | |
| parent | c2050a454c7f123d7a57fa1d76ff61bd43643abb (diff) | |
| parent | aadfa8019e8114539cfa0b1eb2e5a9c83094a590 (diff) | |
| download | linux-3873691e5ab34fa26948643d038a2b98c4437298.tar.xz | |
Merge remote-tracking branch 'ovl/rename2' into for-linus
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 32380d5d4f6b..767af2026f8b 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; |