1 files changed, 0 insertions, 112 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch
deleted file mode 100644
index dbb163d20..000000000
--- a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0004-Test-code-for-LPC-MBOX.patch
+++ /dev/null
@@ -1,112 +0,0 @@
-From 2f3587cf9e44f261fe74413ef6a54467686c910b Mon Sep 17 00:00:00 2001
-From: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
-Date: Tue, 20 Nov 2018 15:49:15 -0800
-Subject: [PATCH] Test code for LPC MBOX
-
-Blocked interrupt driven code for test.
-
-Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
----
- drivers/misc/aspeed-lpc-mbox.c | 21 ++++++++++++++++++++-
- 1 file changed, 20 insertions(+), 1 deletion(-)
-
-diff --git a/drivers/misc/aspeed-lpc-mbox.c b/drivers/misc/aspeed-lpc-mbox.c
-index 0f0c711bafee..0933e0553953 100644
---- a/drivers/misc/aspeed-lpc-mbox.c
-+++ b/drivers/misc/aspeed-lpc-mbox.c
-@@ -19,6 +19,8 @@
- 
- #define DEVICE_NAME	"aspeed-mbox"
- 
-+#define MBX_USE_INTERRUPT 0
-+
- #define ASPEED_MBOX_NUM_REGS 16
- 
- #define ASPEED_MBOX_DATA_0 0x00
-@@ -79,12 +81,14 @@ static int aspeed_mbox_open(struct inode *inode, struct file *file)
- 	struct aspeed_mbox *mbox = file_mbox(file);
- 
- 	if (atomic_inc_return(&aspeed_mbox_open_count) == 1) {
-+#if MBX_USE_INTERRUPT
- 		/*
- 		 * Clear the interrupt status bit if it was left on and unmask
- 		 * interrupts.
- 		 * ASPEED_MBOX_CTRL_RECV bit is W1C, this also unmasks in 1 step
- 		 */
- 		aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL);
-+#endif
- 		return 0;
- 	}
- 
-@@ -106,6 +110,7 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf,
- 	if (count + *ppos > ASPEED_MBOX_NUM_REGS)
- 		return -EINVAL;
- 
-+#if MBX_USE_INTERRUPT
- 	if (file->f_flags & O_NONBLOCK) {
- 		if (!(aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) &
- 				ASPEED_MBOX_CTRL_RECV))
-@@ -115,6 +120,7 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf,
- 				ASPEED_MBOX_CTRL_RECV)) {
- 		return -ERESTARTSYS;
- 	}
-+#endif
- 
- 	mutex_lock(&mbox->mutex);
- 
-@@ -129,8 +135,10 @@ static ssize_t aspeed_mbox_read(struct file *file, char __user *buf,
- 		count--;
- 	}
- 
-+#if MBX_USE_INTERRUPT
- 	/* ASPEED_MBOX_CTRL_RECV bit is write to clear, this also unmasks in 1 step */
- 	aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL);
-+#endif
- 	ret = p - buf;
- 
- out_unlock:
-@@ -180,7 +188,9 @@ static unsigned int aspeed_mbox_poll(struct file *file, poll_table *wait)
- 
- 	poll_wait(file, &mbox->queue, wait);
- 
-+#if MBX_USE_INTERRUPT
- 	if (aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) & ASPEED_MBOX_CTRL_RECV)
-+#endif
- 		mask |= POLLIN;
- 
- 	return mask;
-@@ -206,6 +216,7 @@ static irqreturn_t aspeed_mbox_irq(int irq, void *arg)
- {
- 	struct aspeed_mbox *mbox = arg;
- 
-+#if MBX_USE_INTERRUPT
- 	if (!(aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) & ASPEED_MBOX_CTRL_RECV))
- 		return IRQ_NONE;
- 
-@@ -216,6 +227,7 @@ static irqreturn_t aspeed_mbox_irq(int irq, void *arg)
- 
- 	/* Mask it off, we'll clear it when we the data gets read */
- 	aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_MASK, ASPEED_MBOX_BMC_CTRL);
-+#endif
- 
- 	wake_up(&mbox->queue);
- 	return IRQ_HANDLED;
-@@ -248,7 +260,14 @@ static int aspeed_mbox_config_irq(struct aspeed_mbox *mbox,
- 	aspeed_mbox_outb(mbox, 0xff, ASPEED_MBOX_STATUS_0);
- 	aspeed_mbox_outb(mbox, 0xff, ASPEED_MBOX_STATUS_1);
- 
--	aspeed_mbox_outb(mbox, ASPEED_MBOX_CTRL_RECV, ASPEED_MBOX_BMC_CTRL);
-+	aspeed_mbox_outb(mbox, aspeed_mbox_inb(mbox, ASPEED_MBOX_BMC_CTRL) | ASPEED_MBOX_CTRL_MASK, ASPEED_MBOX_BMC_CTRL);
-+
-+	/*
-+	 * Because mailbox data register init value is random, need to give a
-+	 * init value to mailbox data register.
-+	 */
-+	aspeed_mbox_outb(mbox, 0x00, ASPEED_MBOX_DATA_0);
-+
- 	return 0;
- }
- 
--- 
-2.7.4
-