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clk: davinci: psc: allow for dev == NULL

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On some davinci SoCs, we need to register the PSC clocks during early
boot because they are needed for clocksource/clockevent. These changes
allow for dev == NULL because in this case, we won't have a platform
device for the clocks.

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/20180525181150.17873-9-david@lechnology.com
This commit is contained in:
David Lechner
2018-05-25 13:11:49 -05:00
committed by Michael Turquette
parent 17d8bacf19
commit 043eaa70ad
6 changed files with 57 additions and 18 deletions
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3
drivers/clk/davinci/psc-dm644x.c
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@@ -6,6 +6,7 @@
*/
#include <linux/clk-provider.h>
#include <linux/clk/davinci.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/init.h>
@@ -63,7 +64,7 @@ static const struct davinci_lpsc_clk_info dm644x_psc_info[] = {
{ }
};
static int dm644x_psc_init(struct device *dev, void __iomem *base)
int dm644x_psc_init(struct device *dev, void __iomem *base)
{
return davinci_psc_register_clocks(dev, dm644x_psc_info, 41, base);
}