From: l.stach@pengutronix.de (Lucas Stach)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] reset: imx7: Fix always writing bits as 0
Date: Fri, 08 Jun 2018 16:23:52 +0200 [thread overview]
Message-ID: <1528467832.26356.18.camel@pengutronix.de> (raw)
In-Reply-To: <c441872d7dd355ae09e945447441389e93e3b888.1527621510.git.leonard.crestez@nxp.com>
Am Dienstag, den 29.05.2018, 22:39 +0300 schrieb Leonard Crestez:
> Right now the only user of reset-imx7 is pci-imx6 and the
> reset_control_assert and deassert calls on pciephy_reset don't toggle
> the PCIEPHY_BTN and PCIEPHY_G_RST bits as expected. Fix this by writing
> 1 or 0 respectively.
>
> The reference manual is not very clear regarding SRC_PCIEPHY_RCR but for
> other registers like MIPIPHY and HSICPHY the bits are explicitly
> documented as "1 means assert, 0 means deassert".
>
> The values are still reversed for IMX7_RESET_PCIE_CTRL_APPS_EN.
>
> Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> ?drivers/reset/reset-imx7.c | 2 +-
> ?1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c
> index 4db177bc89bc..fdeac1946429 100644
> --- a/drivers/reset/reset-imx7.c
> +++ b/drivers/reset/reset-imx7.c
> @@ -78,11 +78,11 @@ static struct imx7_src *to_imx7_src(struct reset_controller_dev *rcdev)
> ?static int imx7_reset_set(struct reset_controller_dev *rcdev,
> > ? ??unsigned long id, bool assert)
> ?{
> > ? struct imx7_src *imx7src = to_imx7_src(rcdev);
> > ? const struct imx7_src_signal *signal = &imx7_src_signals[id];
> > - unsigned int value = 0;
> > + unsigned int value = assert ? signal->bit : 0;
> ?
> > ? switch (id) {
> > ? case IMX7_RESET_PCIEPHY:
> > ? /*
> > ? ?* wait for more than 10us to release phy g_rst and
next prev parent reply other threads:[~2018-06-08 14:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-29 19:39 [PATCH 0/2] PCI: Initial imx7d pm support Leonard Crestez
2018-05-29 19:39 ` [PATCH 1/2] reset: imx7: Fix always writing bits as 0 Leonard Crestez
2018-06-08 14:23 ` Lucas Stach [this message]
2018-07-04 16:35 ` Lorenzo Pieralisi
2018-05-29 19:39 ` [PATCH 2/2] PCI: imx: Initial imx7d pm support Leonard Crestez
2018-06-08 14:33 ` Lucas Stach
2018-07-02 17:18 ` Leonard Crestez
2018-07-03 8:42 ` Lucas Stach
2018-07-04 16:37 ` Lorenzo Pieralisi
2018-07-09 14:59 ` Leonard Crestez
2018-07-10 10:26 ` Ulf Hansson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1528467832.26356.18.camel@pengutronix.de \
--to=l.stach@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).