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authorSreedhara DS <sreedhara.ds@intel.com>2010-07-26 10:03:10 +0100
committerMatthew Garrett <mjg@redhat.com>2010-08-03 09:50:30 -0400
commit804f8681a99da2aa49bd7f0dab3750848d1ab1bc (patch)
tree76bfafe233b4fd93682bbd0a467cce9afc2c7e8f /drivers/platform/x86/intel_scu_ipc.c
parente3359fd5d2d97f4d3bca5778e35427b07a2b1060 (diff)
Remove indirect read write api support.
The firmware of production devices does not support this interface so this is dead code. Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/intel_scu_ipc.c')
-rw-r--r--drivers/platform/x86/intel_scu_ipc.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index a0dc41e2773..fd78386cd04 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -116,24 +116,6 @@ static inline void ipc_data_writel(u32 data, u32 offset) /* Write ipc data */
}
/*
- * IPC destination Pointer (Write Only):
- * Use content as pointer for destination write
- */
-static inline void ipc_write_dptr(u32 data) /* Write dptr data */
-{
- writel(data, ipcdev.ipc_base + 0x0C);
-}
-
-/*
- * IPC Source Pointer (Write Only):
- * Use content as pointer for read location
-*/
-static inline void ipc_write_sptr(u32 data) /* Write dptr data */
-{
- writel(data, ipcdev.ipc_base + 0x08);
-}
-
-/*
* Status Register (Read Only):
* Driver will read this register to get the ready/busy status of the IPC
* block and error status of the IPC command that was just processed by SCU
@@ -414,70 +396,6 @@ int intel_scu_ipc_update_register(u16 addr, u8 bits, u8 mask)
EXPORT_SYMBOL(intel_scu_ipc_update_register);
/**
- * intel_scu_ipc_register_read - 32bit indirect read
- * @addr: register address
- * @value: 32bit value return
- *
- * Performs IA 32 bit indirect read, returns 0 on success, or an
- * error code.
- *
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- *
- * This function may sleep. Locking for SCU accesses is handled for
- * the caller.
- */
-int intel_scu_ipc_register_read(u32 addr, u32 *value)
-{
- u32 err = 0;
-
- mutex_lock(&ipclock);
- if (ipcdev.pdev == NULL) {
- mutex_unlock(&ipclock);
- return -ENODEV;
- }
- ipc_write_sptr(addr);
- ipc_command(4 << 16 | IPC_CMD_INDIRECT_RD);
- err = busy_loop();
- *value = ipc_data_readl(0);
- mutex_unlock(&ipclock);
- return err;
-}
-EXPORT_SYMBOL(intel_scu_ipc_register_read);
-
-/**
- * intel_scu_ipc_register_write - 32bit indirect write
- * @addr: register address
- * @value: 32bit value to write
- *
- * Performs IA 32 bit indirect write, returns 0 on success, or an
- * error code.
- *
- * Can be used when SCCB(System Controller Configuration Block) register
- * HRIM(Honor Restricted IPC Messages) is set (bit 23)
- *
- * This function may sleep. Locking for SCU accesses is handled for
- * the caller.
- */
-int intel_scu_ipc_register_write(u32 addr, u32 value)
-{
- u32 err = 0;
-
- mutex_lock(&ipclock);
- if (ipcdev.pdev == NULL) {
- mutex_unlock(&ipclock);
- return -ENODEV;
- }
- ipc_write_dptr(addr);
- ipc_data_writel(value, 0);
- ipc_command(4 << 16 | IPC_CMD_INDIRECT_WR);
- err = busy_loop();
- mutex_unlock(&ipclock);
- return err;
-}
-EXPORT_SYMBOL(intel_scu_ipc_register_write);
-
-/**
* intel_scu_ipc_simple_command - send a simple command
* @cmd: command
* @sub: sub type