Merge tag 'parisc-for-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:

 - fix reference to exported symbols for parisc64 [Masahiro Yamada]

 - Block-TLB (BTLB) support on 32-bit CPUs

 - sparse and build-warning fixes

* tag 'parisc-for-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  linux/export: fix reference to exported functions for parisc64
  parisc: BTLB: Initialize BTLB tables at CPU startup
  parisc: firmware: Simplify calling non-PA20 functions
  parisc: BTLB: _edata symbol has to be page aligned for BTLB support
  parisc: BTLB: Add BTLB insert and purge firmware function wrappers
  parisc: BTLB: Clear possibly existing BTLB entries
  parisc: Prepare for Block-TLB support on 32-bit kernel
  parisc: shmparam.h: Document aliasing requirements of PA-RISC
  parisc: irq: Make irq_stack_union static to avoid sparse warning
  parisc: drivers: Fix sparse warning
  parisc: iosapic.c: Fix sparse warnings
  parisc: ccio-dma: Fix sparse warnings
  parisc: sba-iommu: Fix sparse warnigs
  parisc: sba: Fix compile warning wrt list of SBA devices
  parisc: sba_iommu: Fix build warning if procfs if disabled

6 files changed, 33 insertions, 41 deletions

diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index 514f9f287a78..c6f181702b9a 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -394,8 +394,6 @@ find_quicksilver(struct device *dev, void *data)
 static int __init
 parisc_agp_init(void)
 {
-	extern struct sba_device *sba_list;
-
 	int err = -1;
 	struct parisc_device *sba = NULL, *lba = NULL;
 	struct lba_device *lbadev = NULL;
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 509a4072d50a..9ce0d20a6c58 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -214,7 +214,7 @@ struct ioa_registers {
 struct ioc {
 	struct ioa_registers __iomem *ioc_regs;  /* I/O MMU base address */
 	u8  *res_map;	                /* resource map, bit == pdir entry */
-	u64 *pdir_base;	                /* physical base address */
+	__le64 *pdir_base;		/* physical base address */
 	u32 pdir_size;			/* bytes, function of IOV Space size */
 	u32 res_hint;			/* next available IOVP -
 					   circular search */
@@ -339,7 +339,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
 	BUG_ON(pages_needed == 0);
 	BUG_ON((pages_needed * IOVP_SIZE) > DMA_CHUNK_SIZE);
 
-	DBG_RES("%s() size: %d pages_needed %d\n",
+	DBG_RES("%s() size: %zu pages_needed %d\n",
 			__func__, size, pages_needed);
 
 	/*
@@ -427,7 +427,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped)
 	BUG_ON((pages_mapped * IOVP_SIZE) > DMA_CHUNK_SIZE);
 	BUG_ON(pages_mapped > BITS_PER_LONG);
 
-	DBG_RES("%s():  res_idx: %d pages_mapped %d\n", 
+	DBG_RES("%s():  res_idx: %d pages_mapped %lu\n",
 		__func__, res_idx, pages_mapped);
 
 #ifdef CCIO_COLLECT_STATS
@@ -543,7 +543,7 @@ static u32 hint_lookup[] = {
  * index are bits 12:19 of the value returned by LCI.
  */ 
 static void
-ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
+ccio_io_pdir_entry(__le64 *pdir_ptr, space_t sid, unsigned long vba,
 		   unsigned long hints)
 {
 	register unsigned long pa;
@@ -719,7 +719,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
 	unsigned long flags;
 	dma_addr_t iovp;
 	dma_addr_t offset;
-	u64 *pdir_start;
+	__le64 *pdir_start;
 	unsigned long hint = hint_lookup[(int)direction];
 
 	BUG_ON(!dev);
@@ -746,8 +746,8 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
 
 	pdir_start = &(ioc->pdir_base[idx]);
 
-	DBG_RUN("%s() 0x%p -> 0x%lx size: %0x%x\n",
-		__func__, addr, (long)iovp | offset, size);
+	DBG_RUN("%s() %px -> %#lx size: %zu\n",
+		__func__, addr, (long)(iovp | offset), size);
 
 	/* If not cacheline aligned, force SAFE_DMA on the whole mess */
 	if((size % L1_CACHE_BYTES) || ((unsigned long)addr % L1_CACHE_BYTES))
@@ -805,7 +805,7 @@ ccio_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
 		return;
 	}
 
-	DBG_RUN("%s() iovp 0x%lx/%x\n",
+	DBG_RUN("%s() iovp %#lx/%zx\n",
 		__func__, (long)iova, size);
 
 	iova ^= offset;        /* clear offset bits */
@@ -1283,7 +1283,7 @@ ccio_ioc_init(struct ioc *ioc)
 			iova_space_size>>20,
 			iov_order + PAGE_SHIFT);
 
-	ioc->pdir_base = (u64 *)__get_free_pages(GFP_KERNEL, 
+	ioc->pdir_base = (__le64 *)__get_free_pages(GFP_KERNEL,
 						 get_order(ioc->pdir_size));
 	if(NULL == ioc->pdir_base) {
 		panic("%s() could not allocate I/O Page Table\n", __func__);
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index 0905be256de0..c43f1a212a5c 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -14,13 +14,13 @@
 static inline unsigned int
 iommu_fill_pdir(struct ioc *ioc, struct scatterlist *startsg, int nents, 
 		unsigned long hint,
-		void (*iommu_io_pdir_entry)(u64 *, space_t, unsigned long,
+		void (*iommu_io_pdir_entry)(__le64 *, space_t, unsigned long,
 					    unsigned long))
 {
 	struct scatterlist *dma_sg = startsg;	/* pointer to current DMA */
 	unsigned int n_mappings = 0;
 	unsigned long dma_offset = 0, dma_len = 0;
-	u64 *pdirp = NULL;
+	__le64 *pdirp = NULL;
 
 	/* Horrible hack.  For efficiency's sake, dma_sg starts one 
 	 * entry below the true start (it is immediately incremented
@@ -31,8 +31,8 @@ iommu_fill_pdir(struct ioc *ioc, struct scatterlist *startsg, int nents,
 		unsigned long vaddr;
 		long size;
 
-		DBG_RUN_SG(" %d : %08lx/%05x %p/%05x\n", nents,
-			   (unsigned long)sg_dma_address(startsg), cnt,
+		DBG_RUN_SG(" %d : %08lx %p/%05x\n", nents,
+			   (unsigned long)sg_dma_address(startsg),
 			   sg_virt(startsg), startsg->length
 		);
 
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index a7df764f1a72..a4011461189b 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -202,9 +202,9 @@ static inline void iosapic_write(void __iomem *iosapic, unsigned int reg, u32 va
 
 static DEFINE_SPINLOCK(iosapic_lock);
 
-static inline void iosapic_eoi(void __iomem *addr, unsigned int data)
+static inline void iosapic_eoi(__le32 __iomem *addr, __le32 data)
 {
-	__raw_writel(data, addr);
+	__raw_writel((__force u32)data, addr);
 }
 
 /*
diff --git a/drivers/parisc/iosapic_private.h b/drivers/parisc/iosapic_private.h
index 73ecc657ad95..bd8ff40162b4 100644
--- a/drivers/parisc/iosapic_private.h
+++ b/drivers/parisc/iosapic_private.h
@@ -118,8 +118,8 @@ struct iosapic_irt {
 struct vector_info {
 	struct iosapic_info *iosapic;	/* I/O SAPIC this vector is on */
 	struct irt_entry *irte;		/* IRT entry */
-	u32 __iomem *eoi_addr;		/* precalculate EOI reg address */
-	u32	eoi_data;		/* IA64: ?       PA: swapped txn_data */
+	__le32 __iomem *eoi_addr;	/* precalculate EOI reg address */
+	__le32	eoi_data;		/* IA64: ?       PA: swapped txn_data */
 	int	txn_irq;		/* virtual IRQ number for processor */
 	ulong	txn_addr;		/* IA64: id_eid  PA: partial HPA */
 	u32	txn_data;		/* CPU interrupt bit */
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index f6b510675318..05e7103d1d40 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -46,8 +46,6 @@
 #include <linux/module.h>
 
 #include <asm/ropes.h>
-#include <asm/mckinley.h>	/* for proc_mckinley_root */
-#include <asm/runway.h>		/* for proc_runway_root */
 #include <asm/page.h>		/* for PAGE0 */
 #include <asm/pdc.h>		/* for PDC_MODEL_* */
 #include <asm/pdcpat.h>		/* for is_pdc_pat() */
@@ -122,7 +120,7 @@ MODULE_PARM_DESC(sba_reserve_agpgart, "Reserve half of IO pdir as AGPGART");
 #endif
 
 static struct proc_dir_entry *proc_runway_root __ro_after_init;
-struct proc_dir_entry *proc_mckinley_root __ro_after_init;
+static struct proc_dir_entry *proc_mckinley_root __ro_after_init;
 
 /************************************
 ** SBA register read and write support
@@ -204,7 +202,7 @@ static void
 sba_dump_pdir_entry(struct ioc *ioc, char *msg, uint pide)
 {
 	/* start printing from lowest pde in rval */
-	u64 *ptr = &(ioc->pdir_base[pide & (~0U * BITS_PER_LONG)]);
+	__le64 *ptr = &(ioc->pdir_base[pide & (~0U * BITS_PER_LONG)]);
 	unsigned long *rptr = (unsigned long *) &(ioc->res_map[(pide >>3) & ~(sizeof(unsigned long) - 1)]);
 	uint rcnt;
 
@@ -571,7 +569,7 @@ typedef unsigned long space_t;
  */
 
 static void
-sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
+sba_io_pdir_entry(__le64 *pdir_ptr, space_t sid, unsigned long vba,
 		  unsigned long hint)
 {
 	u64 pa; /* physical address */
@@ -615,7 +613,7 @@ static void
 sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt)
 {
 	u32 iovp = (u32) SBA_IOVP(ioc,iova);
-	u64 *pdir_ptr = &ioc->pdir_base[PDIR_INDEX(iovp)];
+	__le64 *pdir_ptr = &ioc->pdir_base[PDIR_INDEX(iovp)];
 
 #ifdef ASSERT_PDIR_SANITY
 	/* Assert first pdir entry is set.
@@ -716,7 +714,7 @@ sba_map_single(struct device *dev, void *addr, size_t size,
 	unsigned long flags; 
 	dma_addr_t iovp;
 	dma_addr_t offset;
-	u64 *pdir_start;
+	__le64 *pdir_start;
 	int pide;
 
 	ioc = GET_IOC(dev);
@@ -1434,7 +1432,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
 
 	ioc->pdir_size = pdir_size = (iova_space_size/IOVP_SIZE) * sizeof(u64);
 
-	DBG_INIT("%s() hpa 0x%lx mem %ldMB IOV %dMB (%d bits)\n",
+	DBG_INIT("%s() hpa %px mem %ldMB IOV %dMB (%d bits)\n",
 			__func__,
 			ioc->ioc_hpa,
 			(unsigned long) totalram_pages() >> (20 - PAGE_SHIFT),
@@ -1471,7 +1469,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
 	ioc->iovp_mask = ~(iova_space_mask + PAGE_SIZE - 1);
 #endif
 
-	DBG_INIT("%s() IOV base 0x%lx mask 0x%0lx\n",
+	DBG_INIT("%s() IOV base %#lx mask %#0lx\n",
 		__func__, ioc->ibase, ioc->imask);
 
 	/*
@@ -1583,7 +1581,7 @@ printk("sba_hw_init(): mem_boot 0x%x 0x%x 0x%x 0x%x\n", PAGE0->mem_boot.hpa,
 
 	if (!IS_PLUTO(sba_dev->dev)) {
 		ioc_ctl = READ_REG(sba_dev->sba_hpa+IOC_CTRL);
-		DBG_INIT("%s() hpa 0x%lx ioc_ctl 0x%Lx ->",
+		DBG_INIT("%s() hpa %px ioc_ctl 0x%Lx ->",
 			__func__, sba_dev->sba_hpa, ioc_ctl);
 		ioc_ctl &= ~(IOC_CTRL_RM | IOC_CTRL_NC | IOC_CTRL_CE);
 		ioc_ctl |= IOC_CTRL_DD | IOC_CTRL_D4 | IOC_CTRL_TC;
@@ -1668,14 +1666,14 @@ printk("sba_hw_init(): mem_boot 0x%x 0x%x 0x%x 0x%x\n", PAGE0->mem_boot.hpa,
 		/* flush out the last writes */
 		READ_REG(sba_dev->ioc[i].ioc_hpa + ROPE7_CTL);
 
-		DBG_INIT("	ioc[%d] ROPE_CFG 0x%Lx  ROPE_DBG 0x%Lx\n",
+		DBG_INIT("	ioc[%d] ROPE_CFG %#lx  ROPE_DBG %lx\n",
 				i,
-				READ_REG(sba_dev->ioc[i].ioc_hpa + 0x40),
-				READ_REG(sba_dev->ioc[i].ioc_hpa + 0x50)
+				(unsigned long) READ_REG(sba_dev->ioc[i].ioc_hpa + 0x40),
+				(unsigned long) READ_REG(sba_dev->ioc[i].ioc_hpa + 0x50)
 			);
-		DBG_INIT("	STATUS_CONTROL 0x%Lx  FLUSH_CTRL 0x%Lx\n",
-				READ_REG(sba_dev->ioc[i].ioc_hpa + 0x108),
-				READ_REG(sba_dev->ioc[i].ioc_hpa + 0x400)
+		DBG_INIT("	STATUS_CONTROL %#lx  FLUSH_CTRL %#lx\n",
+				(unsigned long) READ_REG(sba_dev->ioc[i].ioc_hpa + 0x108),
+				(unsigned long) READ_REG(sba_dev->ioc[i].ioc_hpa + 0x400)
 			);
 
 		if (IS_PLUTO(sba_dev->dev)) {
@@ -1739,7 +1737,7 @@ sba_common_init(struct sba_device *sba_dev)
 #ifdef ASSERT_PDIR_SANITY
 		/* Mark first bit busy - ie no IOVA 0 */
 		sba_dev->ioc[i].res_map[0] = 0x80;
-		sba_dev->ioc[i].pdir_base[0] = 0xeeffc0addbba0080ULL;
+		sba_dev->ioc[i].pdir_base[0] = (__force __le64) 0xeeffc0addbba0080ULL;
 #endif
 
 		/* Third (and last) part of PIRANHA BUG */
@@ -1899,9 +1897,7 @@ static int __init sba_driver_callback(struct parisc_device *dev)
 	int i;
 	char *version;
 	void __iomem *sba_addr = ioremap(dev->hpa.start, SBA_FUNC_SIZE);
-#ifdef CONFIG_PROC_FS
-	struct proc_dir_entry *root;
-#endif
+	struct proc_dir_entry *root __maybe_unused;
 
 	sba_dump_ranges(sba_addr);
 
@@ -1967,7 +1963,6 @@ static int __init sba_driver_callback(struct parisc_device *dev)
 
 	hppa_dma_ops = &sba_ops;
 
-#ifdef CONFIG_PROC_FS
 	switch (dev->id.hversion) {
 	case PLUTO_MCKINLEY_PORT:
 		if (!proc_mckinley_root)
@@ -1985,7 +1980,6 @@ static int __init sba_driver_callback(struct parisc_device *dev)
 
 	proc_create_single("sba_iommu", 0, root, sba_proc_info);
 	proc_create_single("sba_iommu-bitmap", 0, root, sba_proc_bitmap_info);
-#endif
 	return 0;
 }