mmc: dw_mmc: silent verbose log when calling from PM context

commit ce69e2fea093b7fa3991c87849c4955cd47796c9 upstream.

When deploying runtime PM, it's quite verbose to print the
log of ios setting. Also it's useless to print it from system
PM as it should be the same with booting time. We also have
sysfs to get all these information from ios attribute, so let's
skip this print from PM context.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Alexander Kochetkov <al.kochet@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 73db08558e4dd6d100d44e04cd58649e63ee94e8..5aaed3211106d68a320be448c6a6365ed8344bde 100644 (file)
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1179,11 +1179,13 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit)
                if ((clock != slot->__clk_old &&
                        !test_bit(DW_MMC_CARD_NEEDS_POLL, &slot->flags)) ||
                        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);
+                       /* Silent the verbose log if calling from PM context */
+                       if (!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);
 
                        /*
                         * If card is polling, display the message only