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author | 2015-09-29 16:28:52 -0700 | |
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committer | 2015-09-29 16:28:52 -0700 | |
commit | 8f697e574012cc73b6b0dcbf30d88a3a0f43b78f (patch) | |
tree | a6b16bcf33ad08e03837b61eed2fffb31118f1f3 /drivers/misc/cxl/sysfs.c | |
parent | Input: walkera0701 - use parallel port device model (diff) | |
parent | Linux 4.3-rc3 (diff) | |
download | linux-dev-8f697e574012cc73b6b0dcbf30d88a3a0f43b78f.tar.xz linux-dev-8f697e574012cc73b6b0dcbf30d88a3a0f43b78f.zip |
Merge tag 'v4.3-rc3' into next
Merge with Linux 4.3-rc3 to bring in MFD DA9062 changes to merge DA9062
OnKey driver.
Diffstat (limited to 'drivers/misc/cxl/sysfs.c')
-rw-r--r-- | drivers/misc/cxl/sysfs.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 31f38bc71a3d..02006f7109a8 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -112,12 +112,38 @@ static ssize_t load_image_on_perst_store(struct device *device, return count; } +static ssize_t perst_reloads_same_image_show(struct device *device, + struct device_attribute *attr, + char *buf) +{ + struct cxl *adapter = to_cxl_adapter(device); + + return scnprintf(buf, PAGE_SIZE, "%i\n", adapter->perst_same_image); +} + +static ssize_t perst_reloads_same_image_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct cxl *adapter = to_cxl_adapter(device); + int rc; + int val; + + rc = sscanf(buf, "%i", &val); + if ((rc != 1) || !(val == 1 || val == 0)) + return -EINVAL; + + adapter->perst_same_image = (val == 1 ? true : false); + return count; +} + static struct device_attribute adapter_attrs[] = { __ATTR_RO(caia_version), __ATTR_RO(psl_revision), __ATTR_RO(base_image), __ATTR_RO(image_loaded), __ATTR_RW(load_image_on_perst), + __ATTR_RW(perst_reloads_same_image), __ATTR(reset, S_IWUSR, NULL, reset_adapter_store), }; @@ -443,12 +469,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj, struct afu_config_record *cr = to_cr(kobj); struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct device, kobj)); - u64 i, j, val, size = afu->crs_len; - - if (off > size) - return 0; - if (off + count > size) - count = size - off; + u64 i, j, val; for (i = 0; i < count;) { val = cxl_afu_cr_read64(afu, cr->cr, off & ~0x7); @@ -571,6 +592,8 @@ int cxl_sysfs_afu_add(struct cxl_afu *afu) /* conditionally create the add the binary file for error info buffer */ if (afu->eb_len) { + sysfs_attr_init(&afu->attr_eb.attr); + afu->attr_eb.attr.name = "afu_err_buff"; afu->attr_eb.attr.mode = S_IRUGO; afu->attr_eb.size = afu->eb_len; |