On Tue, Jul 21, 2009 at 10:14:06AM -0500, Sonasath, Moiz wrote:
> Fix bug in reading the I2C_BUFFSTAT register for getting byte count on RX/TX interrupt.
>
> On Interrupt: I2C_STAT[RDR],
> read 'RXSTAT' from I2C_BUFFSTAT[8-13]
> On Interrupt: I2C_STAT[XDR]
> read 'TXSTAT' from I2C_BUFFSTAT[0-5]
>
> Signed-off-by: Jagadeesh Pakaravoor<j-pakaravoor@xxxxxx>
> Signed-off-by: Moiz Sonasath<m-sonasath@xxxxxx>
> Signed-off-by: Vikram pandita<vikram.pandita@xxxxxx>
IIRC, email addresses should have a space between the real name
and the address part. I've fixed this when applying as well as
changing all subjects to start i2c-omap:
> ---
> drivers/i2c/busses/i2c-omap.c | 14 ++++++++------
> 1 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index ad8d201..d280acf 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -692,9 +692,10 @@ omap_i2c_isr(int this_irq, void *dev_id)
> if (dev->fifo_size) {
> if (stat & OMAP_I2C_STAT_RRDY)
> num_bytes = dev->fifo_size;
> - else
> - num_bytes = omap_i2c_read_reg(dev,
> - OMAP_I2C_BUFSTAT_REG);
> + else /* read RXSTAT on RDR interrupt */
> + num_bytes = (omap_i2c_read_reg(dev,
> + OMAP_I2C_BUFSTAT_REG)
> + >> 8) & 0x3F;
> }
> while (num_bytes) {
> num_bytes--;
> @@ -731,9 +732,10 @@ omap_i2c_isr(int this_irq, void *dev_id)
> if (dev->fifo_size) {
> if (stat & OMAP_I2C_STAT_XRDY)
> num_bytes = dev->fifo_size;
> - else
> - num_bytes = omap_i2c_read_reg(dev,
> - OMAP_I2C_BUFSTAT_REG);
> + else /* read TXSTAT on XDR interrupt */
> + num_bytes = omap_i2c_read_reg(dev,
> + OMAP_I2C_BUFSTAT_REG)
> + & 0x3F;
> }
> while (num_bytes) {
> num_bytes--;
> --
> 1.5.6.3
>
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--
Ben (ben@xxxxxxxxx, http://www.fluff.org/)
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