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staging/goldfish/goldfish_audio: Fix annotations

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dmam_alloc_coherent does not return a __iomem pointer.
here is its prototype:

void * dmam_alloc_coherent(struct device *dev, size_t size,
			   dma_addr_t *dma_handle, gfp_t gfp)

This fixes these sparse warnings:

drivers/staging/goldfish/goldfish_audio.c:134:43: warning: incorrect
type in argument 2 (different address spaces)
drivers/staging/goldfish/goldfish_audio.c:134:43:    expected void const
*from
drivers/staging/goldfish/goldfish_audio.c:134:43:    got char [noderef]
<asn:2>*read_buffer
drivers/staging/goldfish/goldfish_audio.c:167:36: warning: incorrect
type in argument 1 (different address spaces)
drivers/staging/goldfish/goldfish_audio.c:167:36:    expected void *to
drivers/staging/goldfish/goldfish_audio.c:167:36:    got char [noderef]
<asn:2>*[assigned] kbuf
drivers/staging/goldfish/goldfish_audio.c:296:27: warning: incorrect
type in assignment (different address spaces)
drivers/staging/goldfish/goldfish_audio.c:296:27:    expected char
[noderef] <asn:2>*buffer_virt
drivers/staging/goldfish/goldfish_audio.c:296:27:    got void *

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo Ribalda Delgado 2015-03-16 23:01:44 +01:00 committed by Greg Kroah-Hartman
parent 27682407cc
commit 82fdb8dd11
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/goldfish/goldfish_audio.c
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@ -40,12 +40,12 @@ struct goldfish_audio {
spinlock_t lock;
wait_queue_head_t wait;
char __iomem *buffer_virt; /* combined buffer virtual address */
char *buffer_virt; /* combined buffer virtual address */
unsigned long buffer_phys; /* combined buffer physical address */
char __iomem *write_buffer1; /* write buffer 1 virtual address */
char __iomem *write_buffer2; /* write buffer 2 virtual address */
char __iomem *read_buffer; /* read buffer virtual address */
char *write_buffer1; /* write buffer 1 virtual address */
char *write_buffer2; /* write buffer 2 virtual address */
char *read_buffer; /* read buffer virtual address */
int buffer_status;
int read_supported; /* true if we have audio input support */
};
@ -147,7 +147,7 @@ static ssize_t goldfish_audio_write(struct file *fp, const char __user *buf,
struct goldfish_audio *data = fp->private_data;
unsigned long irq_flags;
ssize_t result = 0;
char __iomem *kbuf;
char *kbuf;
while (count > 0) {
ssize_t copy = count;