diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
tree | f91479a62805619168994fd3ee55e3ffa23fc24e /arch/sh/drivers/dma/dma-api.c | |
parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
parent | f722406faae2d073cc1d01063d1123c35425939e (diff) |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'arch/sh/drivers/dma/dma-api.c')
-rw-r--r-- | arch/sh/drivers/dma/dma-api.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c index f46848f088e..c0eec08d8f9 100644 --- a/arch/sh/drivers/dma/dma-api.c +++ b/arch/sh/drivers/dma/dma-api.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/list.h> #include <linux/platform_device.h> #include <linux/mm.h> @@ -308,11 +309,9 @@ int dma_extend(unsigned int chan, unsigned long op, void *param) } EXPORT_SYMBOL(dma_extend); -static int dma_read_proc(char *buf, char **start, off_t off, - int len, int *eof, void *data) +static int dma_proc_show(struct seq_file *m, void *v) { - struct dma_info *info; - char *p = buf; + struct dma_info *info = v; if (list_empty(®istered_dmac_list)) return 0; @@ -332,14 +331,26 @@ static int dma_read_proc(char *buf, char **start, off_t off, if (!(channel->flags & DMA_CONFIGURED)) continue; - p += sprintf(p, "%2d: %14s %s\n", i, - info->name, channel->dev_id); + seq_printf(m, "%2d: %14s %s\n", i, + info->name, channel->dev_id); } } - return p - buf; + return 0; +} + +static int dma_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, dma_proc_show, NULL); } +static const struct file_operations dma_proc_fops = { + .open = dma_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + int register_dmac(struct dma_info *info) { unsigned int total_channels, i; @@ -412,8 +423,7 @@ EXPORT_SYMBOL(unregister_dmac); static int __init dma_api_init(void) { printk(KERN_NOTICE "DMA: Registering DMA API.\n"); - return create_proc_read_entry("dma", 0, 0, dma_read_proc, 0) - ? 0 : -ENOMEM; + return proc_create("dma", 0, NULL, &dma_proc_fops) ? 0 : -ENOMEM; } subsys_initcall(dma_api_init); |