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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-08-11 12:10:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-08-11 12:10:47 -0700 |
| commit | 9e6bdaaaa53efb9ab03bdd0229fb09180ef65825 (patch) | |
| tree | 2c87799c615a7059f97f81a3b9a09e1557f9119c | |
| parent | d92581fcad188d38a5c82c01ace43623bcafea48 (diff) | |
| parent | f480adaf1b7130ad43760f627b762f771fcfc5f5 (diff) | |
| download | op-kernel-dev-9e6bdaaaa53efb9ab03bdd0229fb09180ef65825.zip op-kernel-dev-9e6bdaaaa53efb9ab03bdd0229fb09180ef65825.tar.gz | |
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Some driver bugfixes for the I2C subsystem"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mv64xxx: Document the newly introduced allwinner compatible
i2c: Fix Kontron PLD prescaler calculation
i2c: i2c-mxs: Use DMA mode even for small transfers
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt | 2 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-kempld.c | 4 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt index a1ee681..6113f92 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt @@ -4,7 +4,7 @@ Required properties : - reg : Offset and length of the register set for the device - - compatible : Should be "marvell,mv64xxx-i2c" + - compatible : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c" - interrupts : The interrupt number Optional properties : diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c index ccec916..af8f65f 100644 --- a/drivers/i2c/busses/i2c-kempld.c +++ b/drivers/i2c/busses/i2c-kempld.c @@ -246,9 +246,9 @@ static void kempld_i2c_device_init(struct kempld_i2c_data *i2c) bus_frequency = KEMPLD_I2C_FREQ_MAX; if (pld->info.spec_major == 1) - prescale = pld->pld_clock / bus_frequency * 5 - 1000; + prescale = pld->pld_clock / (bus_frequency * 5) - 1000; else - prescale = pld->pld_clock / bus_frequency * 4 - 3000; + prescale = pld->pld_clock / (bus_frequency * 4) - 3000; if (prescale < 0) prescale = 0; diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index df8ff5a..e2e9a0d 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -493,7 +493,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, * based on this empirical measurement and a lot of previous frobbing. */ i2c->cmd_err = 0; - if (msg->len < 8) { + if (0) { /* disable PIO mode until a proper fix is made */ ret = mxs_i2c_pio_setup_xfer(adap, msg, flags); if (ret) mxs_i2c_reset(i2c); |
