diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-07-23 09:13:12 -0700 |
---|---|---|
committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2018-07-23 09:13:12 -0700 |
commit | c74a7469f97c0f40b46e82ee979f9fb1bb6e847c (patch) | |
tree | f2690a1a916b73ef94657fbf0e0141ae57701825 /drivers/hwtracing/coresight/coresight-tmc-etr.c | |
parent | 6f15a7de86c8cf2dc09fc9e6d07047efa40ef809 (diff) | |
parent | 500775074f88d9cf5416bed2ca19592812d62c41 (diff) |
Merge drm/drm-next into drm-intel-next-queued
We need a backmerge to get DP_DPCD_REV_14 before we push other
i915 changes to dinq that could break compilation.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etr.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 68fbc8f7450e..02f747afa2ba 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright(C) 2016 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/coresight.h> @@ -124,10 +113,9 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev) bool used = false; unsigned long flags; void __iomem *vaddr = NULL; - dma_addr_t paddr; + dma_addr_t paddr = 0; struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); - /* * If we don't have a buffer release the lock and allocate memory. * Otherwise keep the lock and move along. @@ -164,11 +152,11 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev) goto out; /* - * If drvdata::buf == NULL, use the memory allocated above. + * If drvdata::vaddr == NULL, use the memory allocated above. * Otherwise a buffer still exists from a previous session, so * simply use that. */ - if (drvdata->buf == NULL) { + if (drvdata->vaddr == NULL) { used = true; drvdata->vaddr = vaddr; drvdata->paddr = paddr; |