[PATCH v8 4/6] w1: ds2438: fixing bug that would always get page0
From: Luiz Sampaio <hidden>
Date: 2021-05-19 22:29:52
Also in:
lkml
Subsystem:
the rest, w1 dallas's 1-wire bus · Maintainers:
Linus Torvalds, Krzysztof Kozlowski
The purpose of the w1_ds2438_get_page function is to get the register values at the page passed as the pageno parameter. However, the page0 was hardcoded, such that the function always returned the page0 contents. Fixed so that the function can retrieve any page. Signed-off-by: Luiz Sampaio <redacted> --- drivers/w1/slaves/w1_ds2438.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/w1/slaves/w1_ds2438.c b/drivers/w1/slaves/w1_ds2438.c
index 910e25163898..1e95f3a256c7 100644
--- a/drivers/w1/slaves/w1_ds2438.c
+++ b/drivers/w1/slaves/w1_ds2438.c@@ -62,13 +62,13 @@ static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf) if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_RECALL_MEMORY; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2); if (w1_reset_select_slave(sl)) continue; w1_buf[0] = W1_DS2438_READ_SCRATCH; - w1_buf[1] = 0x00; + w1_buf[1] = (u8)pageno; w1_write_block(sl->master, w1_buf, 2); count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);
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2.30.1