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ARM: shmobile: only call rcar_gen2_clocks_init() if present

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The RZ/G1M (r8a7743) uses the R-Car Gen2 core, but not the R-Car Gen2 clock
driver. This is a harbinger of a transition for R-Car Gen2 SoCs. As the
process to get all the required pieces in place is somewhat complex it
seems useful to try to disentangle dependencies where possible.

The approach here is to temporarily disable calling rcar_gen2_clocks_init()
if no R-Car Gen2 SoC are configured and thus the symbol will not be
present.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Simon Horman 2016-10-31 10:52:17 +01:00 committed by Simon Horman
parent 9255f6fd45
commit e11fc79521
1 changed files with 10 additions and 1 deletions
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11
arch/arm/mach-shmobile/setup-rcar-gen2.c
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@ -15,6 +15,7 @@
* GNU General Public License for more details.
*/
#include <linux/clk-provider.h>
#include <linux/clk/renesas.h>
#include <linux/clocksource.h>
#include <linux/device.h>
@ -130,7 +131,15 @@ void __init rcar_gen2_timer_init(void)
iounmap(base);
#endif /* CONFIG_ARM_ARCH_TIMER */
rcar_gen2_clocks_init(mode);
if (IS_ENABLED(CONFIG_ARCH_R8A7790) ||
IS_ENABLED(CONFIG_ARCH_R8A7791) ||
IS_ENABLED(CONFIG_ARCH_R8A7792) ||
IS_ENABLED(CONFIG_ARCH_R8A7793) ||
IS_ENABLED(CONFIG_ARCH_R8A7794))
rcar_gen2_clocks_init(mode);
else
of_clk_init(NULL);
clocksource_probe();
}