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From Andi: 

Three fixes are included here. Two are strictly hardware-related
 for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
 addresses a compilation error encountered during compile test on
 powerpc.
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Merge tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "Two fixes for i801 and qcom-geni devices. Meanwhile, a fix from Arnd
  addresses a compilation error encountered during compile test on
  powerpc"

* tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i801: Fix block process call transactions
  i2c: pasemi: split driver into two separate modules
  i2c: qcom-geni: Correct I2C TRE sequence
This commit is contained in:
Linus Torvalds 2024-02-18 09:08:57 -08:00
parent c02197fc90 67ec505fae
commit 626721edee
4 changed files with 18 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/i2c/busses/Makefile
View File

@ -90,10 +90,8 @@ obj-$(CONFIG_I2C_NPCM) += i2c-npcm7xx.o
obj-$(CONFIG_I2C_OCORES) += i2c-ocores.o
obj-$(CONFIG_I2C_OMAP) += i2c-omap.o
obj-$(CONFIG_I2C_OWL) += i2c-owl.o
i2c-pasemi-objs := i2c-pasemi-core.o i2c-pasemi-pci.o
obj-$(CONFIG_I2C_PASEMI) += i2c-pasemi.o
i2c-apple-objs := i2c-pasemi-core.o i2c-pasemi-platform.o
obj-$(CONFIG_I2C_APPLE) += i2c-apple.o
obj-$(CONFIG_I2C_PASEMI) += i2c-pasemi-core.o i2c-pasemi-pci.o
obj-$(CONFIG_I2C_APPLE) += i2c-pasemi-core.o i2c-pasemi-platform.o
obj-$(CONFIG_I2C_PCA_PLATFORM) += i2c-pca-platform.o
obj-$(CONFIG_I2C_PNX) += i2c-pnx.o
obj-$(CONFIG_I2C_PXA) += i2c-pxa.o

4
drivers/i2c/busses/i2c-i801.c
View File

@ -498,11 +498,10 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
/* Set block buffer mode */
outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
if (read_write == I2C_SMBUS_WRITE) {
len = data->block[0];
outb_p(len, SMBHSTDAT0(priv));
inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
outb_p(data->block[i+1], SMBBLKDAT(priv));
}
@ -520,6 +519,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
}
data->block[0] = len;
inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
data->block[i + 1] = inb_p(SMBBLKDAT(priv));
}

6
drivers/i2c/busses/i2c-pasemi-core.c
View File

@ -369,6 +369,7 @@ int pasemi_i2c_common_probe(struct pasemi_smbus *smbus)
return 0;
}
EXPORT_SYMBOL_GPL(pasemi_i2c_common_probe);
irqreturn_t pasemi_irq_handler(int irq, void *dev_id)
{
@ -378,3 +379,8 @@ irqreturn_t pasemi_irq_handler(int irq, void *dev_id)
complete(&smbus->irq_completion);
return IRQ_HANDLED;
}
EXPORT_SYMBOL_GPL(pasemi_irq_handler);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Olof Johansson <olof@lixom.net>");
MODULE_DESCRIPTION("PA Semi PWRficient SMBus driver");

16
drivers/i2c/busses/i2c-qcom-geni.c
View File

@ -613,20 +613,20 @@ static int geni_i2c_gpi_xfer(struct geni_i2c_dev *gi2c, struct i2c_msg msgs[], i
peripheral.addr = msgs[i].addr;
if (msgs[i].flags & I2C_M_RD) {
ret = geni_i2c_gpi(gi2c, &msgs[i], &config,
&rx_addr, &rx_buf, I2C_READ, gi2c->rx_c);
if (ret)
goto err;
}
ret = geni_i2c_gpi(gi2c, &msgs[i], &config,
&tx_addr, &tx_buf, I2C_WRITE, gi2c->tx_c);
if (ret)
goto err;
if (msgs[i].flags & I2C_M_RD)
if (msgs[i].flags & I2C_M_RD) {
ret = geni_i2c_gpi(gi2c, &msgs[i], &config,
&rx_addr, &rx_buf, I2C_READ, gi2c->rx_c);
if (ret)
goto err;
dma_async_issue_pending(gi2c->rx_c);
}
dma_async_issue_pending(gi2c->tx_c);
timeout = wait_for_completion_timeout(&gi2c->done, XFER_TIMEOUT);