From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmc: atmel-mci: modify CLKDIV displaying in debugfs
Date: Fri, 6 Jul 2012 12:11:51 +0200 [thread overview]
Message-ID: <1341569511-11340-1-git-send-email-nicolas.ferre@atmel.com> (raw)
Modify clock division displaying in debugfs for matching
the new CLKDIV,CLKODD user interface arrangement.
Is using the has_odd_clk_div property to choose the proper format.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
drivers/mmc/host/atmel-mci.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 1fe20cd..9c5daa2 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -396,11 +396,17 @@ static int atmci_regs_show(struct seq_file *s, void *v)
clk_disable(host->mck);
spin_unlock_bh(&host->lock);
- seq_printf(s, "MR:\t0x%08x%s%s CLKDIV=%u\n",
+ seq_printf(s, "MR:\t0x%08x%s%s ",
buf[ATMCI_MR / 4],
buf[ATMCI_MR / 4] & ATMCI_MR_RDPROOF ? " RDPROOF" : "",
- buf[ATMCI_MR / 4] & ATMCI_MR_WRPROOF ? " WRPROOF" : "",
- buf[ATMCI_MR / 4] & 0xff);
+ buf[ATMCI_MR / 4] & ATMCI_MR_WRPROOF ? " WRPROOF" : "");
+ if (host->caps.has_odd_clk_div)
+ seq_printf(s, "{CLKDIV,CLKODD}=%u\n",
+ ((buf[ATMCI_MR / 4] & 0xff) << 1)
+ | ((buf[ATMCI_MR / 4] >> 16) & 1));
+ else
+ seq_printf(s, "CLKDIV=%u\n",
+ (buf[ATMCI_MR / 4] & 0xff));
seq_printf(s, "DTOR:\t0x%08x\n", buf[ATMCI_DTOR / 4]);
seq_printf(s, "SDCR:\t0x%08x\n", buf[ATMCI_SDCR / 4]);
seq_printf(s, "ARGR:\t0x%08x\n", buf[ATMCI_ARGR / 4]);
--
1.7.5.4
next reply other threads:[~2012-07-06 10:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 10:11 Nicolas Ferre [this message]
2012-07-09 7:05 ` [PATCH] mmc: atmel-mci: modify CLKDIV displaying in debugfs ludovic.desroches
2012-07-10 3:22 ` Chris Ball
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