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stm32f0: use proper bit checking I2C ISR transmitter empty status

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The wrong define was being used when checking the I2C ISR status.
The wrong define just so happened to be the correct bit.

BUG=chrome-os-partner:30784
BRANCH=None
TEST=Built and ran on ryu.

Change-Id: I6c7aad34f5e7c7ace4db4442147023346b6285bc
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/212163
Reviewed-by: Alec Berg <alecaberg@chromium.org>
This commit is contained in:
Aaron Durbin
2014-08-12 22:46:17 -05:00
committed by chrome-internal-fetch
parent 116080b151
commit 0c635cc73e
1 changed files with 1 additions and 1 deletions
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2
chip/stm32/i2c-stm32f0.c
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@@ -147,7 +147,7 @@ static void i2c_send_response_packet(struct host_packet *pkt)
/* Transmit data when I2C tx buffer is empty until finished. */
while ((i < size + 2) && tx_pending) {
if (STM32_I2C_ISR(host_i2c_resp_port) & STM32_I2C_CR1_TXIE)
if (STM32_I2C_ISR(host_i2c_resp_port) & STM32_I2C_ISR_TXIS)
STM32_I2C_TXDR(host_i2c_resp_port) = host_buffer[i++];
/* I2C is slow, so let other things run while we wait */