On 11/01/2013 11:07 PM, Nishanth Menon wrote:
On 10/25/2013 10:57 AM, Tero Kristo wrote:
[...]
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 228b850..6fa74c6 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
[...]
+/*
+ * XXX: implementation for the regmap read/write should be moved to
+ * individual PRCM IP drivers, once those are available.
+ */
+static int ti_clk_regmap_read(void *context, unsigned int reg,
+ unsigned int *val)
+{
+ void __iomem *mem = context;
+ *val = __raw_readl(mem + reg);
+ return 0;
+}
+
+static int ti_clk_regmap_write(void *context, unsigned int reg,
+ unsigned int val)
+{
+ void __iomem *mem = context;
+ __raw_writel(val, mem + reg);
+ return 0;
+}
+
+static struct regmap_config ti_clk_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .reg_read = ti_clk_regmap_read,
+ .reg_write = ti_clk_regmap_write,
+ .fast_io = true,
+ .cache_type = REGCACHE_NONE,
+ .reg_format_endian = REGMAP_ENDIAN_NATIVE,
+ .val_format_endian = REGMAP_ENDIAN_NATIVE,
+};
why not use regmap_mmio?
I was thinking about using it, however this will allow us to route
everything to their individual driver APIs. Anyway, I guess that is
rather moot point so I will look at this again.
-Tero
[...]
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