lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Fri,  1 May 2020 21:37:00 -0700
From:   Amit Sunil Dhamne <>
        Rajan Vaja <>,
        Jolly Shah <>,
        Amit Sunil Dhamne <>
Subject: [RESEND PATCH v2 1/4] drivers: clk: zynqmp: Limit bestdiv with maxdiv

From: Rajan Vaja <>

Clock divider value should not be greater than maximum divider value.
So use minimum of best divider or maximum divider value.

Signed-off-by: Rajan Vaja <>
Signed-off-by: Jolly Shah <>
Signed-off-by: Amit Sunil Dhamne <>
 drivers/clk/zynqmp/divider.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index 4be2cc7..5c41ddb 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -197,6 +197,8 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw,

        if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac)
                bestdiv = rate % *prate ? 1 : bestdiv;
+       bestdiv = min_t(u32, bestdiv, divider->max_div);
        *prate = rate * bestdiv;

        return rate;

This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately.

Powered by blists - more mailing lists