| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 62/98] clk: socfpga: stratix10: fix rate caclulationg for cnt_clks | Date | Tue, 27 Aug 2019 09:50:41 +0200 |
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From: Dinh Nguyen <dinguyen@kernel.org>
commit c7ec75ea4d5316518adc87224e3cff47192579e7 upstream.
Checking bypass_reg is incorrect for calculating the cnt_clk rates. Instead we should be checking that there is a proper hardware register that holds the clock divider.
Cc: stable@vger.kernel.org Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Link: https://lkml.kernel.org/r/20190814153014.12962-1-dinguyen@kernel.org Signed-off-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/clk/socfpga/clk-periph-s10.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/clk/socfpga/clk-periph-s10.c +++ b/drivers/clk/socfpga/clk-periph-s10.c @@ -37,7 +37,7 @@ static unsigned long clk_peri_cnt_clk_re if (socfpgaclk->fixed_div) { div = socfpgaclk->fixed_div; } else { - if (!socfpgaclk->bypass_reg) + if (socfpgaclk->hw.reg) div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1); }
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