Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 04b3bf7..0dfd0ae 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -1,16 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2017 NXP
* Copyright 2011,2016 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
*/
+#include <linux/clk.h>
#include <linux/hrtimer.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -293,13 +288,7 @@
return -EOPNOTSUPP;
}
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest ||
- event->attr.sample_period)
+ if (event->attr.sample_period)
return -EINVAL;
if (cfg < 0 || cfg >= MMDC_NUM_COUNTERS)
@@ -455,6 +444,7 @@
.start = mmdc_pmu_event_start,
.stop = mmdc_pmu_event_stop,
.read = mmdc_pmu_event_update,
+ .capabilities = PERF_PMU_CAP_NO_EXCLUDE,
},
.mmdc_base = mmdc_base,
.dev = dev,
@@ -546,7 +536,20 @@
{
struct device_node *np = pdev->dev.of_node;
void __iomem *mmdc_base, *reg;
+ struct clk *mmdc_ipg_clk;
u32 val;
+ int err;
+
+ /* the ipg clock is optional */
+ mmdc_ipg_clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(mmdc_ipg_clk))
+ mmdc_ipg_clk = NULL;
+
+ err = clk_prepare_enable(mmdc_ipg_clk);
+ if (err) {
+ dev_err(&pdev->dev, "Unable to enable mmdc ipg clock.\n");
+ return err;
+ }
mmdc_base = of_iomap(np, 0);
WARN_ON(!mmdc_base);