staging: comedi: mite: replace printk() calls

Replace the `printk()` calls in this module with `dev_...()` calls where
possible or `pr_...()` calls otherwise.

Rework the normally ifdefed out (by the `DEBUG_MITE` macro)
`mite_dump_regs()` to dump register offsets instead of remapped
addresses.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index c67a94d..b63f86c 100644 (file)
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -49,6 +49,8 @@
 
 /* #define USE_KMALLOC */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include "mite.h"
 
 #include "comedi_fc.h"
@@ -75,7 +77,7 @@ static void mite_init(void)
 
                        mite = kzalloc(sizeof(*mite), GFP_KERNEL);
                        if (!mite) {
-                               printk(KERN_ERR "mite: allocation failed\n");
+                               pr_err("allocation failed\n");
                                pci_dev_put(pcidev);
                                return;
                        }
@@ -94,14 +96,12 @@ static void mite_init(void)
 
 static void dump_chip_signature(u32 csigr_bits)
 {
-       printk(KERN_INFO "mite: version = %i, type = %i, mite mode = %i,"
-              "interface mode = %i\n",
-              mite_csigr_version(csigr_bits), mite_csigr_type(csigr_bits),
-              mite_csigr_mmode(csigr_bits), mite_csigr_imode(csigr_bits));
-       printk(KERN_INFO "mite: num channels = %i, write post fifo depth = %i,"
-              "wins = %i, iowins = %i\n",
-              mite_csigr_dmac(csigr_bits), mite_csigr_wpdep(csigr_bits),
-              mite_csigr_wins(csigr_bits), mite_csigr_iowins(csigr_bits));
+       pr_info("version = %i, type = %i, mite mode = %i, interface mode = %i\n",
+               mite_csigr_version(csigr_bits), mite_csigr_type(csigr_bits),
+               mite_csigr_mmode(csigr_bits), mite_csigr_imode(csigr_bits));
+       pr_info("num channels = %i, write post fifo depth = %i, wins = %i, iowins = %i\n",
+               mite_csigr_dmac(csigr_bits), mite_csigr_wpdep(csigr_bits),
+               mite_csigr_wins(csigr_bits), mite_csigr_iowins(csigr_bits));
 }
 
 unsigned mite_fifo_size(struct mite_struct *mite, unsigned channel)
@@ -121,7 +121,8 @@ int mite_setup2(struct mite_struct *mite, unsigned use_iodwbsr_1)
        unsigned unknown_dma_burst_bits;
 
        if (comedi_pci_enable(mite->pcidev, "mite")) {
-               printk(KERN_ERR "error enabling mite and requesting io regions\n");
+               dev_err(&mite->pcidev->dev,
+                       "error enabling mite and requesting io regions\n");
                return -EIO;
        }
        pci_set_master(mite->pcidev);
@@ -130,11 +131,10 @@ int mite_setup2(struct mite_struct *mite, unsigned use_iodwbsr_1)
        mite->mite_phys_addr = addr;
        mite->mite_io_addr = ioremap(addr, PCI_MITE_SIZE);
        if (!mite->mite_io_addr) {
-               printk(KERN_ERR "Failed to remap mite io memory address\n");
+               dev_err(&mite->pcidev->dev,
+                       "Failed to remap mite io memory address\n");
                return -ENOMEM;
        }
-       printk(KERN_INFO "MITE:0x%08llx mapped to %p ",
-              (unsigned long long)mite->mite_phys_addr, mite->mite_io_addr);
 
        addr = pci_resource_start(mite->pcidev, 1);
        mite->daq_phys_addr = addr;
@@ -145,15 +145,15 @@ int mite_setup2(struct mite_struct *mite, unsigned use_iodwbsr_1)
         */
        mite->daq_io_addr = ioremap(mite->daq_phys_addr, length);
        if (!mite->daq_io_addr) {
-               printk(KERN_ERR "Failed to remap daq io memory address\n");
+               dev_err(&mite->pcidev->dev,
+                       "Failed to remap daq io memory address\n");
                return -ENOMEM;
        }
-       printk(KERN_INFO "DAQ:0x%08llx mapped to %p\n",
-              (unsigned long long)mite->daq_phys_addr, mite->daq_io_addr);
 
        if (use_iodwbsr_1) {
                writel(0, mite->mite_io_addr + MITE_IODWBSR);
-               printk(KERN_INFO "mite: using I/O Window Base Size register 1\n");
+               dev_info(&mite->pcidev->dev,
+                        "using I/O Window Base Size register 1\n");
                writel(mite->daq_phys_addr | WENAB |
                       MITE_IODWBSR_1_WSIZE_bits(length),
                       mite->mite_io_addr + MITE_IODWBSR_1);
@@ -178,9 +178,9 @@ int mite_setup2(struct mite_struct *mite, unsigned use_iodwbsr_1)
        csigr_bits = readl(mite->mite_io_addr + MITE_CSIGR);
        mite->num_channels = mite_csigr_dmac(csigr_bits);
        if (mite->num_channels > MAX_MITE_DMA_CHANNELS) {
-               printk(KERN_WARNING "mite: bug? chip claims to have %i dma "
-                      "channels. Setting to %i.\n",
-                      mite->num_channels, MAX_MITE_DMA_CHANNELS);
+               dev_warn(&mite->pcidev->dev,
+                        "mite: bug? chip claims to have %i dma channels. Setting to %i.\n",
+                        mite->num_channels, MAX_MITE_DMA_CHANNELS);
                mite->num_channels = MAX_MITE_DMA_CHANNELS;
        }
        dump_chip_signature(csigr_bits);
@@ -193,7 +193,7 @@ int mite_setup2(struct mite_struct *mite, unsigned use_iodwbsr_1)
                       mite->mite_io_addr + MITE_CHCR(i));
        }
        mite->fifo_size = mite_fifo_size(mite, 0);
-       printk(KERN_INFO "mite: fifo size is %i.\n", mite->fifo_size);
+       dev_info(&mite->pcidev->dev, "fifo size is %i.\n", mite->fifo_size);
        mite->used = 1;
 
        return 0;
@@ -245,15 +245,13 @@ void mite_list_devices(void)
 {
        struct mite_struct *mite, *next;
 
-       printk(KERN_INFO "Available NI device IDs:");
+       pr_info("Available NI device IDs:\n");
        if (mite_devices)
                for (mite = mite_devices; mite; mite = next) {
                        next = mite->next;
-                       printk(KERN_INFO " 0x%04x", mite_device_id(mite));
-                       if (mite->used)
-                               printk(KERN_INFO "(used)");
+                       pr_info("0x%04x%s\n", mite_device_id(mite),
+                               mite->used ? " (used)" : "");
                }
-       printk(KERN_INFO "\n");
 }
 EXPORT_SYMBOL(mite_list_devices);
 
@@ -352,7 +350,7 @@ void mite_dma_arm(struct mite_channel *mite_chan)
        int chor;
        unsigned long flags;
 
-       MDPRINTK("mite_dma_arm ch%i\n", channel);
+       MDPRINTK("mite_dma_arm ch%i\n", mite_chan->channel);
        /*
         * memory barrier is intended to insure any twiddling with the buffer
         * is done before writing to the mite to arm dma transfer
@@ -400,7 +398,8 @@ int mite_buf_change(struct mite_dma_descriptor_ring *ring,
                               n_links * sizeof(struct mite_dma_descriptor),
                               &ring->descriptors_dma_addr, GFP_KERNEL);
        if (!ring->descriptors) {
-               printk(KERN_ERR "mite: ring buffer allocation failed\n");
+               dev_err(async->subdevice->device->class_dev,
+                       "mite: ring buffer allocation failed\n");
                return -ENOMEM;
        }
        ring->n_links = n_links;
@@ -477,8 +476,7 @@ void mite_prep_dma(struct mite_channel *mite_chan,
                mcr |= CR_PSIZE32;
                break;
        default:
-               printk(KERN_WARNING "mite: bug! invalid mem bit width for dma "
-                      "transfer\n");
+               pr_warn("bug! invalid mem bit width for dma transfer\n");
                break;
        }
        writel(mcr, mite->mite_io_addr + MITE_MCR(mite_chan->channel));
@@ -497,8 +495,7 @@ void mite_prep_dma(struct mite_channel *mite_chan,
                dcr |= CR_PSIZE32;
                break;
        default:
-               printk(KERN_WARNING "mite: bug! invalid dev bit width for dma "
-                      "transfer\n");
+               pr_warn("bug! invalid dev bit width for dma transfer\n");
                break;
        }
        writel(dcr, mite->mite_io_addr + MITE_DCR(mite_chan->channel));
@@ -612,7 +609,8 @@ int mite_sync_input_dma(struct mite_channel *mite_chan,
        nbytes = mite_bytes_written_to_memory_lb(mite_chan);
        if ((int)(mite_bytes_written_to_memory_ub(mite_chan) -
                  old_alloc_count) > 0) {
-               printk("mite: DMA overwrite of free area\n");
+               dev_warn(async->subdevice->device->class_dev,
+                        "mite: DMA overwrite of free area\n");
                async->events |= COMEDI_CB_OVERFLOW;
                return -1;
        }
@@ -656,7 +654,8 @@ int mite_sync_output_dma(struct mite_channel *mite_chan,
            (int)(nbytes_ub - stop_count) > 0)
                nbytes_ub = stop_count;
        if ((int)(nbytes_ub - old_alloc_count) > 0) {
-               printk(KERN_ERR "mite: DMA underrun\n");
+               dev_warn(async->subdevice->device->class_dev,
+                        "mite: DMA underrun\n");
                async->events |= COMEDI_CB_OVERFLOW;
                return -1;
        }
@@ -707,8 +706,6 @@ EXPORT_SYMBOL(mite_done);
 
 #ifdef DEBUG_MITE
 
-static void mite_decode(char **bit_str, unsigned int bits);
-
 /* names of bits in mite registers */
 
 static const char *const mite_CHOR_strings[] = {
@@ -778,70 +775,67 @@ static const char *const mite_CHSR_strings[] = {
        "28", "lpauses", "30", "int",
 };
 
-void mite_dump_regs(struct mite_channel *mite_chan)
-{
-       unsigned long mite_io_addr =
-           (unsigned long)mite_chan->mite->mite_io_addr;
-       unsigned long addr = 0;
-       unsigned long temp = 0;
-
-       printk(KERN_DEBUG "mite_dump_regs ch%i\n", mite_chan->channel);
-       printk(KERN_DEBUG "mite address is  =0x%08lx\n", mite_io_addr);
-
-       addr = mite_io_addr + MITE_CHOR(channel);
-       printk(KERN_DEBUG "mite status[CHOR]at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_CHOR_strings, temp);
-       addr = mite_io_addr + MITE_CHCR(channel);
-       printk(KERN_DEBUG "mite status[CHCR]at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_CHCR_strings, temp);
-       addr = mite_io_addr + MITE_TCR(channel);
-       printk(KERN_DEBUG "mite status[TCR] at 0x%08lx =0x%08x\n", addr,
-              readl(addr));
-       addr = mite_io_addr + MITE_MCR(channel);
-       printk(KERN_DEBUG "mite status[MCR] at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_MCR_strings, temp);
-
-       addr = mite_io_addr + MITE_MAR(channel);
-       printk(KERN_DEBUG "mite status[MAR] at 0x%08lx =0x%08x\n", addr,
-              readl(addr));
-       addr = mite_io_addr + MITE_DCR(channel);
-       printk(KERN_DEBUG "mite status[DCR] at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_DCR_strings, temp);
-       addr = mite_io_addr + MITE_DAR(channel);
-       printk(KERN_DEBUG "mite status[DAR] at 0x%08lx =0x%08x\n", addr,
-              readl(addr));
-       addr = mite_io_addr + MITE_LKCR(channel);
-       printk(KERN_DEBUG "mite status[LKCR]at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_LKCR_strings, temp);
-       addr = mite_io_addr + MITE_LKAR(channel);
-       printk(KERN_DEBUG "mite status[LKAR]at 0x%08lx =0x%08x\n", addr,
-              readl(addr));
-       addr = mite_io_addr + MITE_CHSR(channel);
-       printk(KERN_DEBUG "mite status[CHSR]at 0x%08lx =0x%08lx\n", addr,
-              temp = readl(addr));
-       mite_decode(mite_CHSR_strings, temp);
-       addr = mite_io_addr + MITE_FCR(channel);
-       printk(KERN_DEBUG "mite status[FCR] at 0x%08lx =0x%08x\n\n", addr,
-              readl(addr));
-}
-EXPORT_SYMBOL(mite_dump_regs);
-
-static void mite_decode(char **bit_str, unsigned int bits)
+static void mite_decode(const char *const *bit_str, unsigned int bits)
 {
        int i;
 
        for (i = 31; i >= 0; i--) {
                if (bits & (1 << i))
-                       printk(KERN_DEBUG " %s", bit_str[i]);
+                       pr_debug(" %s\n", bit_str[i]);
        }
-       printk(KERN_DEBUG "\n");
 }
-EXPORT_SYMBOL(mite_decode);
+
+void mite_dump_regs(struct mite_channel *mite_chan)
+{
+       void __iomem *mite_io_addr = mite_chan->mite->mite_io_addr;
+       unsigned int offset;
+       unsigned int value;
+       int channel = mite_chan->channel;
+
+       pr_debug("mite_dump_regs ch%i\n", channel);
+       pr_debug("mite address is  =%p\n", mite_io_addr);
+
+       offset = MITE_CHOR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[CHOR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_CHOR_strings, value);
+       offset = MITE_CHCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[CHCR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_CHCR_strings, value);
+       offset = MITE_TCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[TCR] at 0x%08x =0x%08x\n", offset, value);
+       offset = MITE_MCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[MCR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_MCR_strings, value);
+       offset = MITE_MAR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[MAR] at 0x%08x =0x%08x\n", offset, value);
+       offset = MITE_DCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[DCR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_DCR_strings, value);
+       offset = MITE_DAR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[DAR] at 0x%08x =0x%08x\n", offset, value);
+       offset = MITE_LKCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[LKCR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_LKCR_strings, value);
+       offset = MITE_LKAR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[LKAR] at 0x%08x =0x%08x\n", offset, value);
+       offset = MITE_CHSR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[CHSR] at 0x%08x =0x%08x\n", offset, value);
+       mite_decode(mite_CHSR_strings, value);
+       offset = MITE_FCR(channel);
+       value = readl(mite_io_addr + offset);
+       pr_debug("mite status[FCR] at 0x%08x =0x%08x\n", offset, value);
+}
+EXPORT_SYMBOL(mite_dump_regs);
 #endif
 
 #ifdef MODULE

diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h
index 0c5736c..c5157c3 100644 (file)
--- a/drivers/staging/comedi/drivers/mite.h
+++ b/drivers/staging/comedi/drivers/mite.h
@@ -32,9 +32,9 @@
 #define PCIMIO_COMPAT
 
 #ifdef DEBUG_MITE
-#define MDPRINTK(format, args...)      printk(format , ## args)
+#define MDPRINTK(format, args...)      pr_debug(format , ## args)
 #else
-#define MDPRINTK(format, args...)
+#define MDPRINTK(format, args...)      do { } while (0)
 #endif
 
 #define MAX_MITE_DMA_CHANNELS 8