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Message-ID: <1469437196-38003-2-git-send-email-qiang.zhao@nxp.com>
Date: Mon, 25 Jul 2016 16:59:55 +0800
From: Zhao Qiang <qiang.zhao@....com>
To: <jason@...edaemon.net>
CC: <oss@...error.net>, <linuxppc-dev@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>, <xiaobo.xie@....com>,
Zhao Qiang <qiang.zhao@....com>
Subject: [Patch v3 2/3] irqchip/qeic: merge qeic init code from platforms to a common function
The codes of qe_ic init from a variety of platforms are redundant,
merge them to a common function and put it to irqchip/irq-qeic.c
For non-p1021_mds mpc85xx_mds boards, use "qe_ic_init(np, 0,
qe_ic_cascade_low_mpic, qe_ic_cascade_high_mpic);" instead of
"qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);".
qe_ic_cascade_muxed_mpic was used for boards has the same interrupt
number for low interrupt and high interrupt, qe_ic_init has checked
if "low interrupt == high interrupt"
Signed-off-by: Zhao Qiang <qiang.zhao@....com>
---
Changes for v2:
- modify subject and commit msg
- add check for qeic by type
Changes for v3:
- na
arch/powerpc/platforms/83xx/misc.c | 15 ---------------
arch/powerpc/platforms/85xx/corenet_generic.c | 9 ---------
arch/powerpc/platforms/85xx/mpc85xx_mds.c | 14 --------------
arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 16 ----------------
arch/powerpc/platforms/85xx/twr_p102x.c | 14 --------------
drivers/irqchip/irq-qeic.c | 16 ++++++++++++++++
6 files changed, 16 insertions(+), 68 deletions(-)
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index 7e923ca..9431fc7 100644
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -93,24 +93,9 @@ void __init mpc83xx_ipic_init_IRQ(void)
}
#ifdef CONFIG_QUICC_ENGINE
-void __init mpc83xx_qe_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-}
-
void __init mpc83xx_ipic_and_qe_init_IRQ(void)
{
mpc83xx_ipic_init_IRQ();
- mpc83xx_qe_init_IRQ();
}
#endif /* CONFIG_QUICC_ENGINE */
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index a2b0bc8..526fc2b 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -41,8 +41,6 @@ void __init corenet_gen_pic_init(void)
unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
MPIC_NO_RESET;
- struct device_node *np;
-
if (ppc_md.get_irq == mpic_get_coreint_irq)
flags |= MPIC_ENABLE_COREINT;
@@ -50,13 +48,6 @@ void __init corenet_gen_pic_init(void)
BUG_ON(mpic == NULL);
mpic_init(mpic);
-
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (np) {
- qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
- qe_ic_cascade_high_mpic);
- of_node_put(np);
- }
}
/*
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index f61cbe2..7ae4901 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -279,20 +279,6 @@ static void __init mpc85xx_mds_qeic_init(void)
of_node_put(np);
return;
}
-
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
-
- if (machine_is(p1021_mds))
- qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
- qe_ic_cascade_high_mpic);
- else
- qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
- of_node_put(np);
}
#else
static void __init mpc85xx_mds_qe_init(void) { }
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
index 3f4dad1..779f54f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -49,10 +49,6 @@ void __init mpc85xx_rdb_pic_init(void)
struct mpic *mpic;
unsigned long root = of_get_flat_dt_root();
-#ifdef CONFIG_QUICC_ENGINE
- struct device_node *np;
-#endif
-
if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
mpic = mpic_alloc(NULL, 0, MPIC_NO_RESET |
MPIC_BIG_ENDIAN |
@@ -67,18 +63,6 @@ void __init mpc85xx_rdb_pic_init(void)
BUG_ON(mpic == NULL);
mpic_init(mpic);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (np) {
- qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
- qe_ic_cascade_high_mpic);
- of_node_put(np);
-
- } else
- pr_err("%s: Could not find qe-ic node\n", __func__);
-#endif
-
}
/*
diff --git a/arch/powerpc/platforms/85xx/twr_p102x.c b/arch/powerpc/platforms/85xx/twr_p102x.c
index 71bc255..603e244 100644
--- a/arch/powerpc/platforms/85xx/twr_p102x.c
+++ b/arch/powerpc/platforms/85xx/twr_p102x.c
@@ -35,26 +35,12 @@ static void __init twr_p1025_pic_init(void)
{
struct mpic *mpic;
-#ifdef CONFIG_QUICC_ENGINE
- struct device_node *np;
-#endif
-
mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (np) {
- qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
- qe_ic_cascade_high_mpic);
- of_node_put(np);
- } else
- pr_err("Could not find qe-ic node\n");
-#endif
}
/* ************************************************************************
diff --git a/drivers/irqchip/irq-qeic.c b/drivers/irqchip/irq-qeic.c
index 1f91225..1853fda 100644
--- a/drivers/irqchip/irq-qeic.c
+++ b/drivers/irqchip/irq-qeic.c
@@ -589,4 +589,20 @@ static int __init init_qe_ic_sysfs(void)
return 0;
}
+static int __init qeic_of_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+ if (!np) {
+ np = of_find_node_by_type(NULL, "qeic");
+ if (!np)
+ return;
+ }
+ qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
+ qe_ic_cascade_high_mpic);
+ of_node_put(np);
+}
+
+subsys_initcall(qeic_of_init);
subsys_initcall(init_qe_ic_sysfs);
--
2.1.0.27.g96db324
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