Patch "clk: renesas: rzg2l: Use FIELD_GET() for PLL register fields" has been added to the 6.6-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    clk: renesas: rzg2l: Use FIELD_GET() for PLL register fields

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     clk-renesas-rzg2l-use-field_get-for-pll-register-fie.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit ef41ce2ed103cccdef30ddc1eb8bdef4c2d8c2c8
Author: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
Date:   Tue Sep 12 07:51:33 2023 +0300

    clk: renesas: rzg2l: Use FIELD_GET() for PLL register fields
    
    [ Upstream commit 72977f07b035e488c3f1928832a1616c6cae7278 ]
    
    Use FIELD_GET() for PLL register fields.  This is its purpose.
    
    Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
    Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
    Link: https://lore.kernel.org/r/20230912045157.177966-14-claudiu.beznea.uj@xxxxxxxxxxxxxx
    Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
    Stable-dep-of: a2b23159499e ("clk: renesas: rzg2l: Fix computation formula")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index 2058a7e3a6aad..53f17f3587472 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -11,6 +11,7 @@
  * Copyright (C) 2015 Renesas Electronics Corp.
  */
 
+#include <linux/bitfield.h>
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clk/renesas.h>
@@ -38,14 +39,13 @@
 #define WARN_DEBUG(x)	do { } while (0)
 #endif
 
-#define DIV_RSMASK(v, s, m)	((v >> s) & m)
 #define GET_SHIFT(val)		((val >> 12) & 0xff)
 #define GET_WIDTH(val)		((val >> 8) & 0xf)
 
-#define KDIV(val)		DIV_RSMASK(val, 16, 0xffff)
-#define MDIV(val)		DIV_RSMASK(val, 6, 0x3ff)
-#define PDIV(val)		DIV_RSMASK(val, 0, 0x3f)
-#define SDIV(val)		DIV_RSMASK(val, 0, 0x7)
+#define KDIV(val)		FIELD_GET(GENMASK(31, 16), val)
+#define MDIV(val)		FIELD_GET(GENMASK(15, 6), val)
+#define PDIV(val)		FIELD_GET(GENMASK(5, 0), val)
+#define SDIV(val)		FIELD_GET(GENMASK(2, 0), val)
 
 #define CLK_ON_R(reg)		(reg)
 #define CLK_MON_R(reg)		(0x180 + (reg))



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux