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author | Arnd Bergmann <arnd@arndb.de> | 2016-01-29 15:06:25 +0100 |
---|---|---|
committer | Robert Jarzmik <robert.jarzmik@free.fr> | 2016-02-01 21:43:41 +0100 |
commit | ea7743e2719d34eacb4cb206ae227120029d06c6 (patch) | |
tree | 5c2d86bbeb3b13e47c6c4fb60cf57210954e6c76 /arch/arm/mach-pxa/gumstix.c | |
parent | 92e963f50fc74041b5e9e744c330dca48e04f08d (diff) | |
download | talos-obmc-linux-ea7743e2719d34eacb4cb206ae227120029d06c6.tar.gz talos-obmc-linux-ea7743e2719d34eacb4cb206ae227120029d06c6.zip |
ARM: pxa: define clock registers as __iomem
We should not dereference registers as pointers, so use readl/writel
instead for these registers.
The clock registers are accessed in multiple files, so we have to
change them all at once.
I stumbled over these registers while looking at something unrelated.
There are in fact other registers with the same problem, but I did
not try to address those at this point.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Diffstat (limited to 'arch/arm/mach-pxa/gumstix.c')
-rw-r--r-- | arch/arm/mach-pxa/gumstix.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c index 6815a9357774..9c5b2fb054f9 100644 --- a/arch/arm/mach-pxa/gumstix.c +++ b/arch/arm/mach-pxa/gumstix.c @@ -139,14 +139,14 @@ static void gumstix_setup_bt_clock(void) { int timeout = 500; - if (!(OSCC & OSCC_OOK)) + if (!(readl(OSCC) & OSCC_OOK)) pr_warn("32kHz clock was not on. Bootloader may need to be updated\n"); else return; - OSCC |= OSCC_OON; + writel(readl(OSCC) | OSCC_OON, OSCC); do { - if (OSCC & OSCC_OOK) + if (readl(OSCC) & OSCC_OOK) break; udelay(1); } while (--timeout); |