From: Heiner Kallweit <hkallweit1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH 1/2] spi: bitbang: remove unneeded check
Date: Tue, 29 Sep 2015 23:09:33 +0200 [thread overview]
Message-ID: <560AFE0D.7000307@gmail.com> (raw)
Remove an unneeded check. The SPI core (__spi_validate) takes care
that these fields are always populated.
Signed-off-by: Heiner Kallweit <hkallweit1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
drivers/spi/spi-bitbang.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c
index ef43ef5..ad3168d 100644
--- a/drivers/spi/spi-bitbang.c
+++ b/drivers/spi/spi-bitbang.c
@@ -272,7 +272,6 @@ static int spi_bitbang_transfer_one(struct spi_master *master,
struct spi_transfer *t = NULL;
unsigned cs_change;
int status;
- int do_setup = -1;
struct spi_device *spi = m->spi;
bitbang = spi_master_get_devdata(master);
@@ -288,19 +287,10 @@ static int spi_bitbang_transfer_one(struct spi_master *master,
list_for_each_entry(t, &m->transfers, transfer_list) {
- /* override speed or wordsize? */
- if (t->speed_hz || t->bits_per_word)
- do_setup = 1;
-
- /* init (-1) or override (1) transfer params */
- if (do_setup != 0) {
- if (bitbang->setup_transfer) {
- status = bitbang->setup_transfer(spi, t);
- if (status < 0)
- break;
- }
- if (do_setup == -1)
- do_setup = 0;
+ if (bitbang->setup_transfer) {
+ status = bitbang->setup_transfer(spi, t);
+ if (status < 0)
+ break;
}
/* set up default clock polarity, and activate chip;
--
2.5.3
--
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next reply other threads:[~2015-09-29 21:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 21:09 Heiner Kallweit [this message]
[not found] ` <560AFE0D.7000307-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-10-05 15:11 ` Applied "spi: bitbang: remove unneeded check" to the spi tree Mark Brown
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