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spi: kirkwood: Get drvdata in .ofdata_to_platdata

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Get the is_errata_50mhz_ac in .ofdata_to_platdata, and
reuse it in .set_mode this can eventually initialized
dt code at once and adding room to add platdata.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki
2018-03-15 17:03:22 +05:30
parent 04d57b1d58
commit f5ff46f6e5
1 changed files with 5 additions and 3 deletions
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8
drivers/spi/kirkwood_spi.c
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@@ -248,6 +248,7 @@ struct mvebu_spi_dev {
struct mvebu_spi_platdata {
struct kwspi_registers *spireg;
bool is_errata_50mhz_ac;
};
struct mvebu_spi_priv {
@@ -309,7 +310,6 @@ static int mvebu_spi_set_mode(struct udevice *bus, uint mode)
{
struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
struct kwspi_registers *reg = plat->spireg;
const struct mvebu_spi_dev *drvdata;
u32 data = readl(&reg->cfg);
data &= ~(KWSPI_CPHA | KWSPI_CPOL | KWSPI_RXLSBF | KWSPI_TXLSBF);
@@ -323,8 +323,7 @@ static int mvebu_spi_set_mode(struct udevice *bus, uint mode)
writel(data, &reg->cfg);
drvdata = (struct mvebu_spi_dev *)dev_get_driver_data(bus);
if (drvdata->is_errata_50mhz_ac)
if (plat->is_errata_50mhz_ac)
mvebu_spi_50mhz_ac_timing_erratum(bus, mode);
return 0;
@@ -367,8 +366,11 @@ static int mvebu_spi_probe(struct udevice *bus)
static int mvebu_spi_ofdata_to_platdata(struct udevice *bus)
{
struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
const struct mvebu_spi_dev *drvdata =
(struct mvebu_spi_dev *)dev_get_driver_data(bus);
plat->spireg = (struct kwspi_registers *)devfdt_get_addr(bus);
plat->is_errata_50mhz_ac = drvdata->is_errata_50mhz_ac;
return 0;
}