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Diffstat (limited to 'recipes-kernel/linux/linux-toradex-mainline-4.14/0016-Revert-mmc-core-simplify-ida-handling.patch')
-rw-r--r--recipes-kernel/linux/linux-toradex-mainline-4.14/0016-Revert-mmc-core-simplify-ida-handling.patch64
1 files changed, 0 insertions, 64 deletions
diff --git a/recipes-kernel/linux/linux-toradex-mainline-4.14/0016-Revert-mmc-core-simplify-ida-handling.patch b/recipes-kernel/linux/linux-toradex-mainline-4.14/0016-Revert-mmc-core-simplify-ida-handling.patch
deleted file mode 100644
index 582dce2..0000000
--- a/recipes-kernel/linux/linux-toradex-mainline-4.14/0016-Revert-mmc-core-simplify-ida-handling.patch
+++ /dev/null
@@ -1,64 +0,0 @@
-From b74554415a51457783875820b41f3c37abb01cdc Mon Sep 17 00:00:00 2001
-Message-Id: <b74554415a51457783875820b41f3c37abb01cdc.1531317141.git.marcel.ziswiler@toradex.com>
-In-Reply-To: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com>
-References: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com>
-From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
-Date: Thu, 19 Apr 2018 13:49:30 +0200
-Subject: [PATCH 16/33] Revert "mmc: core: simplify ida handling"
-
-This reverts commit 7413d1f509eb0ee605973c1a6da9911700c80012.
-
-Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
----
- drivers/mmc/core/host.c | 20 ++++++++++++++++----
- 1 file changed, 16 insertions(+), 4 deletions(-)
-
-diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
-index 3740fb0052a4..841b9ce01a8e 100644
---- a/drivers/mmc/core/host.c
-+++ b/drivers/mmc/core/host.c
-@@ -35,11 +35,14 @@
- #define cls_dev_to_mmc_host(d) container_of(d, struct mmc_host, class_dev)
-
- static DEFINE_IDA(mmc_host_ida);
-+static DEFINE_SPINLOCK(mmc_host_lock);
-
- static void mmc_host_classdev_release(struct device *dev)
- {
- struct mmc_host *host = cls_dev_to_mmc_host(dev);
-- ida_simple_remove(&mmc_host_ida, host->index);
-+ spin_lock(&mmc_host_lock);
-+ ida_remove(&mmc_host_ida, host->index);
-+ spin_unlock(&mmc_host_lock);
- kfree(host);
- }
-
-@@ -358,13 +361,22 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
- /* scanning will be enabled when we're ready */
- host->rescan_disable = 1;
-
-- err = ida_simple_get(&mmc_host_ida, 0, 0, GFP_KERNEL);
-- if (err < 0) {
-+again:
-+ if (!ida_pre_get(&mmc_host_ida, GFP_KERNEL)) {
- kfree(host);
- return NULL;
- }
-
-- host->index = err;
-+ spin_lock(&mmc_host_lock);
-+ err = ida_get_new(&mmc_host_ida, &host->index);
-+ spin_unlock(&mmc_host_lock);
-+
-+ if (err == -EAGAIN) {
-+ goto again;
-+ } else if (err) {
-+ kfree(host);
-+ return NULL;
-+ }
-
- dev_set_name(&host->class_dev, "mmc%d", host->index);
-
---
-2.14.4
-