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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-08 11:37:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-08 11:37:44 -0800
commitcc250e267bd56c531b0bee455fc724d50af83fac (patch)
treed133c54f311f21eba8624c10cd31692baca91c85
parent6ea17ed15d9a343c2d17d76b99501fcad204f309 (diff)
parent421463b80b40e919dc57483f967ebd41674a81ff (diff)
downloadlwn-cc250e267bd56c531b0bee455fc724d50af83fac.tar.gz
lwn-cc250e267bd56c531b0bee455fc724d50af83fac.zip
Merge tag 'char-misc-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH: "Here are a few small char/misc driver fixes for 4.10-rc3. Two MEI driver fixes, and three NVMEM patches for reported issues, and a new Hyper-V driver MAINTAINER update. Nothing major at all, all have been in linux-next with no reported issues" * tag 'char-misc-4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: hyper-v: Add myself as additional MAINTAINER nvmem: fix nvmem_cell_read() return type doc nvmem: imx-ocotp: Fix wrong register size nvmem: qfprom: Allow single byte accesses for read/write mei: move write cb to completion on credentials failures mei: bus: fix mei_cldev_enable KDoc
-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/misc/mei/bus.c2
-rw-r--r--drivers/misc/mei/client.c20
-rw-r--r--drivers/nvmem/core.c4
-rw-r--r--drivers/nvmem/imx-ocotp.c2
-rw-r--r--drivers/nvmem/qfprom.c14
6 files changed, 24 insertions, 19 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index c0441ab2f8b0..5f0420a0da5b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5965,6 +5965,7 @@ F: drivers/media/platform/sti/hva
Hyper-V CORE AND DRIVERS
M: "K. Y. Srinivasan" <kys@microsoft.com>
M: Haiyang Zhang <haiyangz@microsoft.com>
+M: Stephen Hemminger <sthemmin@microsoft.com>
L: devel@linuxdriverproject.org
S: Maintained
F: arch/x86/include/asm/mshyperv.h
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 0037153c80a6..2d9c5dd06e42 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -450,7 +450,7 @@ bool mei_cldev_enabled(struct mei_cl_device *cldev)
EXPORT_SYMBOL_GPL(mei_cldev_enabled);
/**
- * mei_cldev_enable_device - enable me client device
+ * mei_cldev_enable - enable me client device
* create connection with me client
*
* @cldev: me client device
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 391936c1aa04..b0395601c6ae 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -1541,7 +1541,7 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
rets = first_chunk ? mei_cl_tx_flow_ctrl_creds(cl) : 1;
if (rets < 0)
- return rets;
+ goto err;
if (rets == 0) {
cl_dbg(dev, cl, "No flow control credentials: not sending.\n");
@@ -1575,11 +1575,8 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
cb->buf.size, cb->buf_idx);
rets = mei_write_message(dev, &mei_hdr, buf->data + cb->buf_idx);
- if (rets) {
- cl->status = rets;
- list_move_tail(&cb->list, &cmpl_list->list);
- return rets;
- }
+ if (rets)
+ goto err;
cl->status = 0;
cl->writing_state = MEI_WRITING;
@@ -1587,14 +1584,21 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
cb->completed = mei_hdr.msg_complete == 1;
if (first_chunk) {
- if (mei_cl_tx_flow_ctrl_creds_reduce(cl))
- return -EIO;
+ if (mei_cl_tx_flow_ctrl_creds_reduce(cl)) {
+ rets = -EIO;
+ goto err;
+ }
}
if (mei_hdr.msg_complete)
list_move_tail(&cb->list, &dev->write_waiting_list.list);
return 0;
+
+err:
+ cl->status = rets;
+ list_move_tail(&cb->list, &cmpl_list->list);
+ return rets;
}
/**
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 965911d9b36a..398ea7f54826 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -981,8 +981,8 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem,
* @cell: nvmem cell to be read.
* @len: pointer to length of cell which will be populated on successful read.
*
- * Return: ERR_PTR() on error or a valid pointer to a char * buffer on success.
- * The buffer should be freed by the consumer with a kfree().
+ * Return: ERR_PTR() on error or a valid pointer to a buffer on success. The
+ * buffer should be freed by the consumer with a kfree().
*/
void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
{
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index ac27b9bac3b9..8e7b120696fa 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -71,7 +71,7 @@ static struct nvmem_config imx_ocotp_nvmem_config = {
static const struct of_device_id imx_ocotp_dt_ids[] = {
{ .compatible = "fsl,imx6q-ocotp", (void *)128 },
- { .compatible = "fsl,imx6sl-ocotp", (void *)32 },
+ { .compatible = "fsl,imx6sl-ocotp", (void *)64 },
{ .compatible = "fsl,imx6sx-ocotp", (void *)128 },
{ },
};
diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c
index b5305f08b184..2bdb6c389328 100644
--- a/drivers/nvmem/qfprom.c
+++ b/drivers/nvmem/qfprom.c
@@ -21,11 +21,11 @@ static int qfprom_reg_read(void *context,
unsigned int reg, void *_val, size_t bytes)
{
void __iomem *base = context;
- u32 *val = _val;
- int i = 0, words = bytes / 4;
+ u8 *val = _val;
+ int i = 0, words = bytes;
while (words--)
- *val++ = readl(base + reg + (i++ * 4));
+ *val++ = readb(base + reg + i++);
return 0;
}
@@ -34,11 +34,11 @@ static int qfprom_reg_write(void *context,
unsigned int reg, void *_val, size_t bytes)
{
void __iomem *base = context;
- u32 *val = _val;
- int i = 0, words = bytes / 4;
+ u8 *val = _val;
+ int i = 0, words = bytes;
while (words--)
- writel(*val++, base + reg + (i++ * 4));
+ writeb(*val++, base + reg + i++);
return 0;
}
@@ -53,7 +53,7 @@ static int qfprom_remove(struct platform_device *pdev)
static struct nvmem_config econfig = {
.name = "qfprom",
.owner = THIS_MODULE,
- .stride = 4,
+ .stride = 1,
.word_size = 1,
.reg_read = qfprom_reg_read,
.reg_write = qfprom_reg_write,