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Message-Id: <20220415190817.842864-3-helgaas@kernel.org>
Date: Fri, 15 Apr 2022 14:08:12 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Richard Henderson <rth@...ddle.net>,
Ivan Kokshaysky <ink@...assic.park.msu.ru>,
Matt Turner <mattst88@...il.com>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
Chas Williams <3chas3@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: linux-alpha@...r.kernel.org, linux-ia64@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 2/7] net: wan: lmc: remove unused DELAY()
From: Bjorn Helgaas <bhelgaas@...gle.com>
lmc_var.h is included only by files in drivers/net/wan/lmc/, and none of
them uses DELAY(). Remove the unused definition and related comments.
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
drivers/net/wan/lmc/lmc_main.c | 8 --------
drivers/net/wan/lmc/lmc_var.h | 8 --------
2 files changed, 16 deletions(-)
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 76c6b4f89890..45b2d25782ed 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1669,21 +1669,17 @@ unsigned lmc_mii_readreg (lmc_softc_t * const sc, unsigned devaddr, unsigned reg
LMC_CSR_WRITE (sc, csr_9, dataval);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
LMC_CSR_WRITE (sc, csr_9, dataval | 0x10000);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
}
for (i = 19; i > 0; i--)
{
LMC_CSR_WRITE (sc, csr_9, 0x40000);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
retval = (retval << 1) | ((LMC_CSR_READ (sc, csr_9) & 0x80000) ? 1 : 0);
LMC_CSR_WRITE (sc, csr_9, 0x40000 | 0x10000);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
}
return (retval >> 1) & 0xffff;
@@ -1708,10 +1704,8 @@ void lmc_mii_writereg (lmc_softc_t * const sc, unsigned devaddr, unsigned regno,
LMC_CSR_WRITE (sc, csr_9, datav);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
LMC_CSR_WRITE (sc, csr_9, (datav | 0x10000));
lmc_delay ();
- /* __SLOW_DOWN_IO; */
i--;
}
@@ -1720,10 +1714,8 @@ void lmc_mii_writereg (lmc_softc_t * const sc, unsigned devaddr, unsigned regno,
{
LMC_CSR_WRITE (sc, csr_9, 0x40000);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
LMC_CSR_WRITE (sc, csr_9, 0x50000);
lmc_delay ();
- /* __SLOW_DOWN_IO; */
i--;
}
}
diff --git a/drivers/net/wan/lmc/lmc_var.h b/drivers/net/wan/lmc/lmc_var.h
index 99f0aa787a35..cf824bb1932c 100644
--- a/drivers/net/wan/lmc/lmc_var.h
+++ b/drivers/net/wan/lmc/lmc_var.h
@@ -44,14 +44,6 @@ typedef struct lmc___ctl lmc_ctl_t;
#define LMC_CSR_WRITE(sc, reg, val) \
outl((val), (sc)->lmc_csrs.reg)
-//#ifdef _LINUX_DELAY_H
-// #define SLOW_DOWN_IO udelay(2);
-// #undef __SLOW_DOWN_IO
-// #define __SLOW_DOWN_IO udelay(2);
-//#endif
-
-#define DELAY(n) SLOW_DOWN_IO
-
#define lmc_delay() inl(sc->lmc_csrs.csr_9)
/* This macro sync's up with the mii so that reads and writes can take place */
--
2.25.1
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