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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2017-03-16 08:04:41 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-30 08:23:18 +0200 |
| commit | 8aa89eaf2d2453bf63597b508ac22bca33889689 (patch) | |
| tree | 7a2d465eccaf5fa7b46673b161f29210bed00e22 /drivers/mci/mci-core.c | |
| parent | 04c88ff32c242bb520662b3a2074707c0aaac2c1 (diff) | |
| download | barebox-8aa89eaf2d2453bf63597b508ac22bca33889689.tar.gz barebox-8aa89eaf2d2453bf63597b508ac22bca33889689.tar.xz | |
mci: Allow parsing for explicit DT node
Convert mci_of_parse into mci_of_parse_node, a function that takes
explicit deivce tree node pointer to be used for SD/MMC related
properties extraction. Implement original mci_of_parse as a wrapper
around the call to new function.
This is useful for controllers who specify parameter like bus witdth and
GPIOs as a part of main controller's child nodes (e.g. AT91 SoCs).
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mci/mci-core.c')
| -rw-r--r-- | drivers/mci/mci-core.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index 055a5e2b06..928277a924 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -1843,20 +1843,18 @@ err_free: return ret; } -void mci_of_parse(struct mci_host *host) +void mci_of_parse_node(struct mci_host *host, + struct device_node *np) { - struct device_node *np; u32 bus_width; u32 dsr_val; if (!IS_ENABLED(CONFIG_OFDEVICE)) return; - if (!host->hw_dev || !host->hw_dev->device_node) + if (!host->hw_dev || !np) return; - np = host->hw_dev->device_node; - /* "bus-width" is translated to MMC_CAP_*_BIT_DATA flags */ if (of_property_read_u32(np, "bus-width", &bus_width) < 0) { /* If bus-width is missing we get the driver's default, which @@ -1897,6 +1895,11 @@ void mci_of_parse(struct mci_host *host) host->non_removable = of_property_read_bool(np, "non-removable"); } +void mci_of_parse(struct mci_host *host) +{ + return mci_of_parse_node(host, host->hw_dev->device_node); +} + struct mci *mci_get_device_by_name(const char *name) { struct mci *mci; |