From: Rajendra Nayak <[email protected]> This patch avoids spinlocks being held when calling blocking_notifier_chain_register().
Signed-off-by: Rajendra Nayak <[email protected]> Signed-off-by: Tero Kristo <[email protected]> --- arch/arm/plat-omap/clock.c | 4 ++++ 1 files changed, 4 insertions(+) Index: linux-omap-pm/arch/arm/plat-omap/clock.c =================================================================== --- linux-omap-pm.orig/arch/arm/plat-omap/clock.c 2009-03-20 17:11:54.000000000 +0530 +++ linux-omap-pm/arch/arm/plat-omap/clock.c 2009-03-20 19:14:35.387298482 +0530 @@ -673,7 +673,11 @@ int clk_notifier_register(struct clk *cl kfree(cn_new); /* didn't need it after all */ } + spin_unlock_irqrestore(&clockfw_lock, flags); + r = blocking_notifier_chain_register(&cn->notifier_head, nb); + + spin_lock_irqsave(&clockfw_lock, flags); if (!r) { clkp = clk; do {-- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
