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8 Commits

Author SHA1 Message Date
Sascha Hauer 3bd69ad077 driver: replace dev_request_mem_region with dev_request_mem_resource 
dev_request_mem_region doesn't work properly one some SoCs on which
PTR_ERR() values clash with valid return values from dev_request_mem_region.
Replace them with dev_request_mem_resource where possible.

This patch has been generated with the following semantic patch:

// <smpl>
@@
expression d;
expression n;
expression io;
identifier func;
@@
func(...) {
+struct resource *iores;
<+...
-io = dev_request_mem_region(d, n);
-if (IS_ERR(io)) {
+iores = dev_request_mem_resource(d, n);
+if (IS_ERR(iores)) {
...
-	return PTR_ERR(io);
-}
+	return PTR_ERR(iores);
+}
+io = IOMEM(iores->start);
...+>
}

@@
expression d;
expression n;
expression io;
identifier func;
@@
func(...) {
+struct resource *iores;
<+...
-io = dev_request_mem_region(d, n);
-if (IS_ERR(io)) {
+iores = dev_request_mem_resource(d, n);
+if (IS_ERR(iores))
-	return PTR_ERR(io);
-}
+	return PTR_ERR(iores);
+io = IOMEM(iores->start);
...+>
}

@@
expression d;
expression n;
expression io;
identifier func;
@@
func(...) {
+struct resource *iores;
<+...
-io = dev_request_mem_region(d, n);
-if (IS_ERR(io)) {
-	ret = PTR_ERR(io);
+iores = dev_request_mem_resource(d, n);
+if (IS_ERR(iores)) {
+	ret = PTR_ERR(iores);
...
}
+io = IOMEM(iores->start);
...+>
}

@@
expression d;
expression n;
expression io;
identifier func;
@@
func(...) {
+struct resource *iores;
<+...
-io = dev_request_mem_region(d, n);
+iores = dev_request_mem_resource(d, n);
+if (IS_ERR(iores))
+	return PTR_ERR(iores);
+io = IOMEM(iores->start);
...+>
}

@@
identifier func;
@@
func(...) {
<+...
struct resource *iores;
-struct resource *iores;
...+>
}
// </smpl>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2016-03-07 08:57:56 +01:00
Alexander Shiyan 9a4cb25a39 treewide: Reuse init_clock() return value for clocksource drivers 
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2014-11-10 08:42:19 +01:00
Sascha Hauer ed6e965824 resource: Let dev_request_mem_region return an error pointer 
For all users fix or add the error check.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2014-09-16 08:32:10 +02:00
Sebastian Hesselbarth 7267215538 clocksource: mvebu: split initialization for Armada 370/XP 
Timers found on Marvell Armada 370 and XP require different setup.
While timer clock on Armada 370 can be derived from a divided
reference clocks, Armada XP always uses a 25MHz reference.

This also updates compatibles to destinguish timers for both SoCs
and fixes some whitespace issues on defines.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
 2014-06-24 08:25:04 +02:00
Sebastian Hesselbarth f10119f27e clocksource: mvebu: add DT support 
This adds device tree support to mvebu timer and also converts clk_get
to clk_lookup to find TCLK without device name reference.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2013-07-05 08:27:10 +02:00
Sebastian Hesselbarth 3c24858206 clocksource: mvebu: lookup clock by physbase 
This converts Armada 370/XP SoC init to register tclk alias
for timer by physbase instead of name.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2013-07-05 08:27:10 +02:00
Sebastian Hesselbarth 26e15b6ec8 clocksource: fix Marvell timer read-back value 
Clocksource read callback expects incrementing timer values, while
internal timer on Marvell SoCs counts backwards. Fix value returned
by Marvell MVEBU and Orion clocksource drivers.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2013-06-29 10:43:02 +02:00
Thomas Petazzoni b3522a5b80 arm: initial support for Marvell Armada 370/XP SoCs 
This commit adds minimal support for the Armada 370 and Armada XP SoCs
from Marvell.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
 2013-05-13 10:17:10 +02:00