ARM: l2c: pass iomem address into data->save function

Pass the iomem address into this function so we don't have to keep
accessing it from a global.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 0d83b24..08f9cad 100644 (file)
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -30,7 +30,7 @@
 
 struct l2c_init_data {
        void (*of_parse)(const struct device_node *, u32 *, u32 *);
-       void (*save)(void);
+       void (*save)(void __iomem *);
        struct outer_cache_fns outer_cache;
 };
 
@@ -764,47 +764,47 @@ static void __init pl310_of_parse(const struct device_node *np,
        }
 }
 
-static void __init pl310_save(void)
+static void __init pl310_save(void __iomem *base)
 {
-       u32 l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) &
+       u32 l2x0_revision = readl_relaxed(base + L2X0_CACHE_ID) &
                L2X0_CACHE_ID_RTL_MASK;
 
-       l2x0_saved_regs.tag_latency = readl_relaxed(l2x0_base +
+       l2x0_saved_regs.tag_latency = readl_relaxed(base +
                L2X0_TAG_LATENCY_CTRL);
-       l2x0_saved_regs.data_latency = readl_relaxed(l2x0_base +
+       l2x0_saved_regs.data_latency = readl_relaxed(base +
                L2X0_DATA_LATENCY_CTRL);
-       l2x0_saved_regs.filter_end = readl_relaxed(l2x0_base +
+       l2x0_saved_regs.filter_end = readl_relaxed(base +
                L2X0_ADDR_FILTER_END);
-       l2x0_saved_regs.filter_start = readl_relaxed(l2x0_base +
+       l2x0_saved_regs.filter_start = readl_relaxed(base +
                L2X0_ADDR_FILTER_START);
 
        if (l2x0_revision >= L310_CACHE_ID_RTL_R2P0) {
                /*
                 * From r2p0, there is Prefetch offset/control register
                 */
-               l2x0_saved_regs.prefetch_ctrl = readl_relaxed(l2x0_base +
+               l2x0_saved_regs.prefetch_ctrl = readl_relaxed(base +
                        L2X0_PREFETCH_CTRL);
                /*
                 * From r3p0, there is Power control register
                 */
                if (l2x0_revision >= L310_CACHE_ID_RTL_R3P0)
-                       l2x0_saved_regs.pwr_ctrl = readl_relaxed(l2x0_base +
+                       l2x0_saved_regs.pwr_ctrl = readl_relaxed(base +
                                L2X0_POWER_CTRL);
        }
 }
 
-static void aurora_save(void)
+static void aurora_save(void __iomem *base)
 {
-       l2x0_saved_regs.ctrl = readl_relaxed(l2x0_base + L2X0_CTRL);
-       l2x0_saved_regs.aux_ctrl = readl_relaxed(l2x0_base + L2X0_AUX_CTRL);
+       l2x0_saved_regs.ctrl = readl_relaxed(base + L2X0_CTRL);
+       l2x0_saved_regs.aux_ctrl = readl_relaxed(base + L2X0_AUX_CTRL);
 }
 
-static void __init tauros3_save(void)
+static void __init tauros3_save(void __iomem *base)
 {
        l2x0_saved_regs.aux2_ctrl =
-               readl_relaxed(l2x0_base + TAUROS3_AUX2_CTRL);
+               readl_relaxed(base + TAUROS3_AUX2_CTRL);
        l2x0_saved_regs.prefetch_ctrl =
-               readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL);
+               readl_relaxed(base + L2X0_PREFETCH_CTRL);
 }
 
 static void l2x0_resume(void)
@@ -1024,7 +1024,7 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
        }
 
        if (data->save)
-               data->save();
+               data->save(l2x0_base);
 
        if (cache_id_part_number_from_dt)
                cache_id = cache_id_part_number_from_dt;