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clk: davinci: pll: allow dev == NULL

Bladeren bron 
This modifies the TI Davinci PLL clock driver to allow for the case
when dev == NULL. On some (most) SoCs that use this driver, the PLL
clock needs to be registered during early boot because it is used
for clocksource/clkevent and there will be no platform device available.

Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-7-david@lechnology.com
This commit is contained in:
David Lechner
2018-05-25 13:11:47 -05:00
gecommit door Michael Turquette
bovenliggende 9c39fc1fe8
commit 76c9dd9dbd
9 gewijzigde bestanden met toevoegingen van 259 en 137 verwijderingen
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9
drivers/clk/davinci/pll-dm646x.c
Bestand weergeven

@@ -6,6 +6,7 @@
*/
#include <linux/clk-provider.h>
#include <linux/clk/davinci.h>
#include <linux/clkdev.h>
#include <linux/init.h>
#include <linux/types.h>
@@ -29,11 +30,11 @@ SYSCLK(6, pll1_sysclk6, pll1_pllen, 4, 0);
SYSCLK(8, pll1_sysclk8, pll1_pllen, 4, 0);
SYSCLK(9, pll1_sysclk9, pll1_pllen, 4, 0);
int dm646x_pll1_init(struct device *dev, void __iomem *base)
int dm646x_pll1_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
{
struct clk *clk;
davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base);
davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base, cfgchip);
clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base);
clk_register_clkdev(clk, "pll1_sysclk1", "dm646x-psc");
@@ -74,9 +75,9 @@ static const struct davinci_pll_clk_info dm646x_pll2_info = {
SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, SYSCLK_ALWAYS_ENABLED);
int dm646x_pll2_init(struct device *dev, void __iomem *base)
int dm646x_pll2_init(struct device *dev, void __iomem *base, struct regmap *cfgchip)
{
davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base);
davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base, cfgchip);
davinci_pll_sysclk_register(dev, &pll2_sysclk1, base);