diff options
Diffstat (limited to 'drivers/uio')
-rw-r--r-- | drivers/uio/Kconfig | 1 | ||||
-rw-r--r-- | drivers/uio/uio_pruss.c | 24 |
2 files changed, 18 insertions, 7 deletions
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index 82e2b89d4480..f56d185790ea 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig | |||
@@ -113,6 +113,7 @@ config UIO_NETX | |||
113 | config UIO_PRUSS | 113 | config UIO_PRUSS |
114 | tristate "Texas Instruments PRUSS driver" | 114 | tristate "Texas Instruments PRUSS driver" |
115 | depends on ARCH_DAVINCI_DA850 | 115 | depends on ARCH_DAVINCI_DA850 |
116 | select GENERIC_ALLOCATOR | ||
116 | help | 117 | help |
117 | PRUSS driver for OMAPL138/DA850/AM18XX devices | 118 | PRUSS driver for OMAPL138/DA850/AM18XX devices |
118 | PRUSS driver requires user space components, examples and user space | 119 | PRUSS driver requires user space components, examples and user space |
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index cce0f78341cc..6e2ab007fe9c 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c | |||
@@ -25,7 +25,7 @@ | |||
25 | #include <linux/clk.h> | 25 | #include <linux/clk.h> |
26 | #include <linux/dma-mapping.h> | 26 | #include <linux/dma-mapping.h> |
27 | #include <linux/slab.h> | 27 | #include <linux/slab.h> |
28 | #include <mach/sram.h> | 28 | #include <linux/genalloc.h> |
29 | 29 | ||
30 | #define DRV_NAME "pruss_uio" | 30 | #define DRV_NAME "pruss_uio" |
31 | #define DRV_VERSION "1.0" | 31 | #define DRV_VERSION "1.0" |
@@ -65,10 +65,11 @@ struct uio_pruss_dev { | |||
65 | dma_addr_t sram_paddr; | 65 | dma_addr_t sram_paddr; |
66 | dma_addr_t ddr_paddr; | 66 | dma_addr_t ddr_paddr; |
67 | void __iomem *prussio_vaddr; | 67 | void __iomem *prussio_vaddr; |
68 | void *sram_vaddr; | 68 | unsigned long sram_vaddr; |
69 | void *ddr_vaddr; | 69 | void *ddr_vaddr; |
70 | unsigned int hostirq_start; | 70 | unsigned int hostirq_start; |
71 | unsigned int pintc_base; | 71 | unsigned int pintc_base; |
72 | struct gen_pool *sram_pool; | ||
72 | }; | 73 | }; |
73 | 74 | ||
74 | static irqreturn_t pruss_handler(int irq, struct uio_info *info) | 75 | static irqreturn_t pruss_handler(int irq, struct uio_info *info) |
@@ -106,7 +107,9 @@ static void pruss_cleanup(struct platform_device *dev, | |||
106 | gdev->ddr_paddr); | 107 | gdev->ddr_paddr); |
107 | } | 108 | } |
108 | if (gdev->sram_vaddr) | 109 | if (gdev->sram_vaddr) |
109 | sram_free(gdev->sram_vaddr, sram_pool_sz); | 110 | gen_pool_free(gdev->sram_pool, |
111 | gdev->sram_vaddr, | ||
112 | sram_pool_sz); | ||
110 | kfree(gdev->info); | 113 | kfree(gdev->info); |
111 | clk_put(gdev->pruss_clk); | 114 | clk_put(gdev->pruss_clk); |
112 | kfree(gdev); | 115 | kfree(gdev); |
@@ -152,10 +155,17 @@ static int pruss_probe(struct platform_device *dev) | |||
152 | goto out_free; | 155 | goto out_free; |
153 | } | 156 | } |
154 | 157 | ||
155 | gdev->sram_vaddr = sram_alloc(sram_pool_sz, &(gdev->sram_paddr)); | 158 | if (pdata->sram_pool) { |
156 | if (!gdev->sram_vaddr) { | 159 | gdev->sram_pool = pdata->sram_pool; |
157 | dev_err(&dev->dev, "Could not allocate SRAM pool\n"); | 160 | gdev->sram_vaddr = |
158 | goto out_free; | 161 | gen_pool_alloc(gdev->sram_pool, sram_pool_sz); |
162 | if (!gdev->sram_vaddr) { | ||
163 | dev_err(&dev->dev, "Could not allocate SRAM pool\n"); | ||
164 | goto out_free; | ||
165 | } | ||
166 | gdev->sram_paddr = | ||
167 | gen_pool_virt_to_phys(gdev->sram_pool, | ||
168 | gdev->sram_vaddr); | ||
159 | } | 169 | } |
160 | 170 | ||
161 | gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz, | 171 | gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz, |