[PATCH 04/13] ARM: at91: setup.c: use endian agnostic IO functions
Ben Dooks
ben.dooks at codethink.co.uk
Wed Mar 18 08:53:03 PDT 2015
Use the endian agnostic IO accessors in setup.c to avoid issues if
running on an big endian capable cpu
Signed-off-by: Ben Dooks <ben.dooks at codethink.co.uk>
--
CC: Andrew Victor <linux at maxim.org.za>
CC: Nicolas Ferre <nicolas.ferre at atmel.com>
CC: Jean-Christophe Plagniol-Villard <plagnioj at jcrosoft.com>
CC: Russell King <linux at arm.linux.org.uk>
CC: Linux ARM Kernel <linux-arm-kernel at lists.infradead.org>
---
arch/arm/mach-at91/setup.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 4e58bc9..7bf81fd 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -46,7 +46,7 @@ static void __init soc_detect(u32 dbgu_base)
{
u32 cidr, socid;
- cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
+ cidr = readl_relaxed(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
socid = cidr & ~AT91_CIDR_VERSION;
switch (socid) {
@@ -96,7 +96,7 @@ static void __init soc_detect(u32 dbgu_base)
break;
case ARCH_ID_SAMA5:
- at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ at91_soc_initdata.exid = readl_relaxed(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
at91_soc_initdata.type = AT91_SOC_SAMA5D3;
}
@@ -121,7 +121,7 @@ static void __init soc_detect(u32 dbgu_base)
/* sub version of soc */
if (!at91_soc_initdata.exid)
- at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ at91_soc_initdata.exid = readl_relaxed(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
if (at91_soc_initdata.type == AT91_SOC_SAM9G45) {
switch (at91_soc_initdata.exid) {
@@ -183,12 +183,12 @@ static void __init alt_soc_detect(u32 dbgu_base)
u32 cidr, socid;
/* SoC ID */
- cidr = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
+ cidr = readl_relaxed(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
socid = cidr & ~AT91_CIDR_VERSION;
switch (socid) {
case ARCH_ID_SAMA5:
- at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ at91_soc_initdata.exid = readl_relaxed(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
at91_soc_initdata.type = AT91_SOC_SAMA5D3;
} else if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D4) {
@@ -204,7 +204,7 @@ static void __init alt_soc_detect(u32 dbgu_base)
/* sub version of soc */
if (!at91_soc_initdata.exid)
- at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+ at91_soc_initdata.exid = readl_relaxed(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
if (at91_soc_initdata.type == AT91_SOC_SAMA5D4) {
switch (at91_soc_initdata.exid) {
--
2.1.4
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