[PATCHv2 09/10] mmc: dw_mmc: The "clock-freq-min-max" property was deprecated
flat view
From: Jaehoon Chung <hidden>
Date: 2016-11-15 10:12:31
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, synopsys designware mmc/sd/sdio driver, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Jaehoon Chung, Shawn Lin, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2016-11-16 · Re: [PATCHv2 09/10] mmc: dw_mmc: The "clock-freq-min-max" property was deprecated · Shawn Lin <hidden>
The "clock-freq-min-max" property was deprecated. There is "max-frequency" property in drivers/mmc/core/host.c "max-frequency" can be replaced with "clock-freq-min-max". Minimum clock value might be set to 100K by default. Then MMC core should try to find the correct value from 400K to 100K. So it just needs to set Maximum clock value. Signed-off-by: Jaehoon Chung <redacted> --- Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 3 ++- drivers/mmc/host/dw_mmc.c | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index bfa461a..1279a22 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt@@ -59,8 +59,9 @@ Optional properties: is specified and the ciu clock is specified then we'll try to set the ciu clock to this at probe time. -* clock-freq-min-max: Minimum and Maximum clock frequency for card output +* clock-freq-min-max (DEPRECATED): Minimum and Maximum clock frequency for card output clock(cclk_out). If it's not specified, max is 200MHZ and min is 400KHz by default. + (Use the "max-frequency" instead of "clock-freq-min-max".) * num-slots: specifies the number of slots supported by the controller. The number of physical slots actually used could be equal or less than the
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index ec0ba79..48e968a 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c@@ -2608,6 +2608,8 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) mmc->f_min = DW_MCI_FREQ_MIN; mmc->f_max = DW_MCI_FREQ_MAX; } else { + dev_info(host->dev, + "'clock-freq-min-max' property was deprecated.\n"); mmc->f_min = freq[0]; mmc->f_max = freq[1]; }
--
2.10.1
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