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powerpc/powernv: remove the unused vas_win_paste_addr and vas_win_id functions

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These two function have never been used anywhere in the kernel tree
since they were added to the kernel.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christoph Hellwig 2019-06-25 16:52:39 +02:00 committed by Michael Ellerman
parent 7eb3cf7619
commit 452d23c0f6
3 changed files with 0 additions and 49 deletions
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10
arch/powerpc/include/asm/vas.h
View File

@ -167,14 +167,4 @@ int vas_copy_crb(void *crb, int offset);
*/
int vas_paste_crb(struct vas_window *win, int offset, bool re);
/*
* Return a system-wide unique id for the VAS window @win.
*/
extern u32 vas_win_id(struct vas_window *win);
/*
* Return the power bus paste address associated with @win so the caller
* can map that address into their address space.
*/
extern u64 vas_win_paste_addr(struct vas_window *win);
#endif /* __ASM_POWERPC_VAS_H */

19
arch/powerpc/platforms/powernv/vas-window.c
View File

@ -44,16 +44,6 @@ static void compute_paste_address(struct vas_window *window, u64 *addr, int *len
pr_debug("Txwin #%d: Paste addr 0x%llx\n", winid, *addr);
}
u64 vas_win_paste_addr(struct vas_window *win)
{
u64 addr;
compute_paste_address(win, &addr, NULL);
return addr;
}
EXPORT_SYMBOL(vas_win_paste_addr);
static inline void get_hvwc_mmio_bar(struct vas_window *window,
u64 *start, int *len)
{
@ -1268,12 +1258,3 @@ int vas_win_close(struct vas_window *window)
return 0;
}
EXPORT_SYMBOL_GPL(vas_win_close);
/*
* Return a system-wide unique window id for the window @win.
*/
u32 vas_win_id(struct vas_window *win)
{
return encode_pswid(win->vinst->vas_id, win->winid);
}
EXPORT_SYMBOL_GPL(vas_win_id);

20
arch/powerpc/platforms/powernv/vas.h
View File

@ -448,26 +448,6 @@ static inline u64 read_hvwc_reg(struct vas_window *win,
return in_be64(win->hvwc_map+reg);
}
/*
* Encode/decode the Partition Send Window ID (PSWID) for a window in
* a way that we can uniquely identify any window in the system. i.e.
* we should be able to locate the 'struct vas_window' given the PSWID.
*
* Bits Usage
* 0:7 VAS id (8 bits)
* 8:15 Unused, 0 (3 bits)
* 16:31 Window id (16 bits)
*/
static inline u32 encode_pswid(int vasid, int winid)
{
u32 pswid = 0;
pswid |= vasid << (31 - 7);
pswid |= winid;
return pswid;
}
static inline void decode_pswid(u32 pswid, int *vasid, int *winid)
{
if (vasid)