Merge branch 'soc-fixes' into omap-for-v4.15/fixes

1 files changed, 3 insertions, 18 deletions

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index fcf1473d6fed..ada8eb206a90 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -382,9 +382,9 @@ static void __dma_free_remap(void *cpu_addr, size_t size)
 }
 
 #define DEFAULT_DMA_COHERENT_POOL_SIZE	SZ_256K
-static struct gen_pool *atomic_pool;
+static struct gen_pool *atomic_pool __ro_after_init;
 
-static size_t atomic_pool_size = DEFAULT_DMA_COHERENT_POOL_SIZE;
+static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;
 
 static int __init early_coherent_pool(char *p)
 {
@@ -393,21 +393,6 @@ static int __init early_coherent_pool(char *p)
 }
 early_param("coherent_pool", early_coherent_pool);
 
-void __init init_dma_coherent_pool_size(unsigned long size)
-{
-	/*
-	 * Catch any attempt to set the pool size too late.
-	 */
-	BUG_ON(atomic_pool);
-
-	/*
-	 * Set architecture specific coherent pool size only if
-	 * it has not been changed by kernel command line parameter.
-	 */
-	if (atomic_pool_size == DEFAULT_DMA_COHERENT_POOL_SIZE)
-		atomic_pool_size = size;
-}
-
 /*
  * Initialise the coherent pool for atomic allocations.
  */
@@ -443,7 +428,7 @@ static int __init atomic_pool_init(void)
 
 		gen_pool_set_algo(atomic_pool,
 				gen_pool_first_fit_order_align,
-				(void *)PAGE_SHIFT);
+				NULL);
 		pr_info("DMA: preallocated %zu KiB pool for atomic coherent allocations\n",
 		       atomic_pool_size / 1024);
 		return 0;