From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Fri, 10 Jun 2016 14:31:38 +0200 Subject: [PATCH 02/20] clk: multiplier: Prevent the multiplier from under / over flowing In-Reply-To: <1463402840-17062-3-git-send-email-maxime.ripard@free-electrons.com> References: <1463402840-17062-1-git-send-email-maxime.ripard@free-electrons.com> <1463402840-17062-3-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <20160610123138.GX5242@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Mike, Stephen, On Mon, May 16, 2016 at 02:47:02PM +0200, Maxime Ripard wrote: > In the current multiplier base clock implementation, if the > CLK_SET_RATE_PARENT flag isn't set, the code will not make sure that the > multiplier computed remains within the boundaries of our clock. > > This means that if the clock we want to reach is below the parent rate, > or if the multiplier is above the maximum that we can reach, we will end up > with a completely bogus one that the clock cannot achieve. > > Fixes: f2e0a53271a4 ("clk: Add a basic multiplier clock") > Signed-off-by: Maxime Ripard Any comments? Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: