On Thu, Sep 13, 2012 at 05:41:44PM +0200, Sebastian Hesselbarth wrote:
+#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE | 0xe802C)
+#define DOVE_TWSI_ENABLE_OPTION1BIT(7)
+#define DOVE_GLOBAL_CONFIG_2 (DOVE_SB_REGS_VIRT_BASE | 0xe8030)
+#define
On 06/18/13 13:36, Russell King - ARM Linux wrote:
On Thu, Sep 13, 2012 at 05:41:44PM +0200, Sebastian Hesselbarth wrote:
+#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE | 0xe802C)
+#define DOVE_TWSI_ENABLE_OPTION1 BIT(7)
+#define DOVE_GLOBAL_CONFIG_2
On Tue, Jun 18, 2013 at 1:36 PM, Russell King - ARM Linux
li...@arm.linux.org.uk wrote:
Maybe what we need is something like this:
static DEFINE_SPINLOCK(io_lock);
static void modifyl(u32 new, u32 mask, void __iomem *reg)
{
unsigned long flags;
u32 val;
On Tue, Jun 18, 2013 at 5:11 PM, Russell King - ARM Linux
li...@arm.linux.org.uk wrote:
On Tue, Jun 18, 2013 at 05:02:49PM +0200, Linus Walleij wrote:
Nowadays I would do the above with regmap_update_bits().
Mutual exclusion for read-modify-write of individual bits in a
register is one of
On Tue, Jun 18, 2013 at 05:02:49PM +0200, Linus Walleij wrote:
Nowadays I would do the above with regmap_update_bits().
Mutual exclusion for read-modify-write of individual bits in a
register is one of those cases where doing a regmap over
a memory-mapped register range makes a lot of sense.
On Tue, Jun 18, 2013 at 04:11:16PM +0100, Russell King - ARM Linux wrote:
On Tue, Jun 18, 2013 at 05:02:49PM +0200, Linus Walleij wrote:
Nowadays I would do the above with regmap_update_bits().
Mutual exclusion for read-modify-write of individual bits in a
register is one of those cases
