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xf85drm: de-duplicate drmParse{Platform.Host1x}{Bus,Device}Info 

The functions are virtually identical, fold them up.

v2: foo -> tmp_name (Eric)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
main
Emil Velikov 2019-01-23 10:39:12 +00:00 committed by Emil Velikov
parent 3df8a7f01a
commit ee798b9847
1 changed files with 15 additions and 83 deletions
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98
xf86drm.c
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@ -3510,7 +3510,7 @@ free_device:
return ret;
}
static int drmParsePlatformBusInfo(int maj, int min, drmPlatformBusInfoPtr info)
static int drmParseOFBusInfo(int maj, int min, char *fullname)
{
#ifdef __linux__
char path[PATH_MAX + 1], *name, *tmp_name;
@ -3534,19 +3534,18 @@ static int drmParsePlatformBusInfo(int maj, int min, drmPlatformBusInfoPtr info)
tmp_name++;
}
strncpy(info->fullname, tmp_name, DRM_PLATFORM_DEVICE_NAME_LEN);
info->fullname[DRM_PLATFORM_DEVICE_NAME_LEN - 1] = '\0';
strncpy(fullname, tmp_name, DRM_PLATFORM_DEVICE_NAME_LEN);
fullname[DRM_PLATFORM_DEVICE_NAME_LEN - 1] = '\0';
free(name);
return 0;
#else
#warning "Missing implementation of drmParsePlatformBusInfo"
#warning "Missing implementation of drmParseOFBusInfo"
return -EINVAL;
#endif
}
static int drmParsePlatformDeviceInfo(int maj, int min,
drmPlatformDeviceInfoPtr info)
static int drmParseOFDeviceInfo(int maj, int min, char ***compatible)
{
#ifdef __linux__
char path[PATH_MAX + 1], *value, *tmp_name;
@ -3564,8 +3563,8 @@ static int drmParsePlatformDeviceInfo(int maj, int min,
count = 1;
}
info->compatible = calloc(count + 1, sizeof(*info->compatible));
if (!info->compatible)
*compatible = calloc(count + 1, sizeof(char *));
if (!*compatible)
return -ENOMEM;
for (i = 0; i < count; i++) {
@ -3589,19 +3588,19 @@ static int drmParsePlatformDeviceInfo(int maj, int min,
free(value);
}
info->compatible[i] = tmp_name;
*compatible[i] = tmp_name;
}
return 0;
free:
while (i--)
free(info->compatible[i]);
free(*compatible[i]);
free(info->compatible);
free(*compatible);
return err;
#else
#warning "Missing implementation of drmParsePlatformDeviceInfo"
#warning "Missing implementation of drmParseOFDeviceInfo"
return -EINVAL;
#endif
}
@ -3624,7 +3623,7 @@ static int drmProcessPlatformDevice(drmDevicePtr *device,
dev->businfo.platform = (drmPlatformBusInfoPtr)ptr;
ret = drmParsePlatformBusInfo(maj, min, dev->businfo.platform);
ret = drmParseOFBusInfo(maj, min, dev->businfo.platform->fullname);
if (ret < 0)
goto free_device;
@ -3632,7 +3631,7 @@ static int drmProcessPlatformDevice(drmDevicePtr *device,
ptr += sizeof(drmPlatformBusInfo);
dev->deviceinfo.platform = (drmPlatformDeviceInfoPtr)ptr;
ret = drmParsePlatformDeviceInfo(maj, min, dev->deviceinfo.platform);
ret = drmParseOFDeviceInfo(maj, min, &dev->deviceinfo.platform->compatible);
if (ret < 0)
goto free_device;
}
@ -3646,73 +3645,6 @@ free_device:
return ret;
}
static int drmParseHost1xBusInfo(int maj, int min, drmHost1xBusInfoPtr info)
{
#ifdef __linux__
char path[PATH_MAX + 1], *name;
snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
name = sysfs_uevent_get(path, "OF_FULLNAME");
if (!name)
return -ENOENT;
strncpy(info->fullname, name, DRM_HOST1X_DEVICE_NAME_LEN);
info->fullname[DRM_HOST1X_DEVICE_NAME_LEN - 1] = '\0';
free(name);
return 0;
#else
#warning "Missing implementation of drmParseHost1xBusInfo"
return -EINVAL;
#endif
}
static int drmParseHost1xDeviceInfo(int maj, int min,
drmHost1xDeviceInfoPtr info)
{
#ifdef __linux__
char path[PATH_MAX + 1], *value;
unsigned int count, i;
int err;
snprintf(path, sizeof(path), "/sys/dev/char/%d:%d/device", maj, min);
value = sysfs_uevent_get(path, "OF_COMPATIBLE_N");
if (!value)
return -ENOENT;
sscanf(value, "%u", &count);
free(value);
info->compatible = calloc(count + 1, sizeof(*info->compatible));
if (!info->compatible)
return -ENOMEM;
for (i = 0; i < count; i++) {
value = sysfs_uevent_get(path, "OF_COMPATIBLE_%u", i);
if (!value) {
err = -ENOENT;
goto free;
}
info->compatible[i] = value;
}
return 0;
free:
while (i--)
free(info->compatible[i]);
free(info->compatible);
return err;
#else
#warning "Missing implementation of drmParseHost1xDeviceInfo"
return -EINVAL;
#endif
}
static int drmProcessHost1xDevice(drmDevicePtr *device,
const char *node, int node_type,
int maj, int min, bool fetch_deviceinfo,
@ -3731,7 +3663,7 @@ static int drmProcessHost1xDevice(drmDevicePtr *device,
dev->businfo.host1x = (drmHost1xBusInfoPtr)ptr;
ret = drmParseHost1xBusInfo(maj, min, dev->businfo.host1x);
ret = drmParseOFBusInfo(maj, min, dev->businfo.host1x->fullname);
if (ret < 0)
goto free_device;
@ -3739,7 +3671,7 @@ static int drmProcessHost1xDevice(drmDevicePtr *device,
ptr += sizeof(drmHost1xBusInfo);
dev->deviceinfo.host1x = (drmHost1xDeviceInfoPtr)ptr;
ret = drmParseHost1xDeviceInfo(maj, min, dev->deviceinfo.host1x);
ret = drmParseOFDeviceInfo(maj, min, &dev->deviceinfo.host1x->compatible);
if (ret < 0)
goto free_device;
}