4.20-stable review patch. If anyone has any objections, please let me know.
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From: Alexandre Belloni alexandre.belloni@bootlin.com
commit 1b328a2e095a009518ebac05e937cc0fc242fede upstream.
nck() looks at the last id in an array and unfortunately, at91sam9x35_periphck has a sentinel, hence the id is 0 and the calculated number of peripheral clocks is 1 instead of a maximum of 31.
Fixes: 1eabdc2f9dd8 ("clk: at91: add at91sam9x5 PMCs driver") Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Acked-by: Nicolas Ferre nicolas.ferre@microchip.com Cc: stable@vger.kernel.org # v4.20+ Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/clk/at91/at91sam9x5.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -144,8 +144,7 @@ static void __init at91sam9x5_pmc_setup( return;
at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9x5_systemck), - nck(at91sam9x35_periphck), 0); + nck(at91sam9x5_systemck), 31, 0); if (!at91sam9x5_pmc) return;