Merge remote-tracking branch 'agust/next' into next

<<
Switch mpc512x to the common clock framework and adapt mpc512x
drivers to use the new clock driver. Old PPC_CLOCK code is
removed entirely since there are no users any more.
>>
This commit is contained in:
Benjamin Herrenschmidt 2014-01-29 16:53:55 +11:00
commit e9a371100d
22 changed files with 1840 additions and 1094 deletions

View file

@ -40,6 +40,7 @@ struct mpc512x_psc_spi {
unsigned int irq;
u8 bits_per_word;
struct clk *clk_mclk;
struct clk *clk_ipg;
u32 mclk_rate;
struct completion txisrdone;
@ -475,8 +476,6 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
struct spi_master *master;
int ret;
void *tempp;
int psc_num;
char clk_name[16];
struct clk *clk;
master = spi_alloc_master(dev, sizeof *mps);
@ -519,9 +518,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
goto free_master;
init_completion(&mps->txisrdone);
psc_num = master->bus_num;
snprintf(clk_name, sizeof(clk_name), "psc%d_mclk", psc_num);
clk = devm_clk_get(dev, clk_name);
clk = devm_clk_get(dev, "mclk");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
goto free_master;
@ -532,17 +529,29 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
mps->clk_mclk = clk;
mps->mclk_rate = clk_get_rate(clk);
clk = devm_clk_get(dev, "ipg");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
goto free_mclk_clock;
}
ret = clk_prepare_enable(clk);
if (ret)
goto free_mclk_clock;
mps->clk_ipg = clk;
ret = mpc512x_psc_spi_port_config(master, mps);
if (ret < 0)
goto free_clock;
goto free_ipg_clock;
ret = devm_spi_register_master(dev, master);
if (ret < 0)
goto free_clock;
goto free_ipg_clock;
return ret;
free_clock:
free_ipg_clock:
clk_disable_unprepare(mps->clk_ipg);
free_mclk_clock:
clk_disable_unprepare(mps->clk_mclk);
free_master:
spi_master_put(master);
@ -556,6 +565,7 @@ static int mpc512x_psc_spi_do_remove(struct device *dev)
struct mpc512x_psc_spi *mps = spi_master_get_devdata(master);
clk_disable_unprepare(mps->clk_mclk);
clk_disable_unprepare(mps->clk_ipg);
return 0;
}