char/mwave: remove dead code

In mwave, there is a lot of commented code for a long time. Drop it.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20251119091949.825958-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Jiri Slaby (SUSE)

drivers/char/mwave/3780i.c

@@ -140,35 +140,6 @@ static void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
 
 }
 
-#if 0
-unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
-                                  unsigned uIndex)
-{
-	DSP_ISA_SLAVE_CONTROL rSlaveControl;
-	DSP_ISA_SLAVE_CONTROL rSlaveControl_Save;
-	unsigned char ucValue;
-
-
-	PRINTK_3(TRACE_3780I,
-		"3780i::dsp3780i_ReadGenCfg entry usDspBaseIO %x uIndex %x\n",
-		usDspBaseIO, uIndex);
-
-	MKBYTE(rSlaveControl) = InByteDsp(DSP_IsaSlaveControl);
-	rSlaveControl_Save = rSlaveControl;
-	rSlaveControl.ConfigMode = true;
-	OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl));
-	OutByteDsp(DSP_ConfigAddress, (unsigned char) uIndex);
-	ucValue = InByteDsp(DSP_ConfigData);
-	OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl_Save));
-
-	PRINTK_2(TRACE_3780I,
-		"3780i::dsp3780i_ReadGenCfg exit ucValue %x\n", ucValue);
-
-
-	return ucValue;
-}
-#endif  /*  0  */
-
 int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings,
                        unsigned short *pIrqMap,
                        unsigned short *pDmaMap)

drivers/char/mwave/mwavedd.c

@@ -492,42 +492,6 @@ static const struct file_operations mwave_fops = {
 
 static struct miscdevice mwave_misc_dev = { MWAVE_MINOR, "mwave", &mwave_fops };
 
-#if 0 /* totally b0rked */
-/*
- * sysfs support <paulsch@us.ibm.com>
- */
-
-struct device mwave_device;
-
-/* Prevent code redundancy, create a macro for mwave_show_* functions. */
-#define mwave_show_function(attr_name, format_string, field)		\
-static ssize_t mwave_show_##attr_name(struct device *dev, struct device_attribute *attr, char *buf)	\
-{									\
-	DSP_3780I_CONFIG_SETTINGS *pSettings =				\
-		&mwave_s_mdd.rBDData.rDspSettings;			\
-        return sprintf(buf, format_string, pSettings->field);		\
-}
-
-/* All of our attributes are read attributes. */
-#define mwave_dev_rd_attr(attr_name, format_string, field)		\
-	mwave_show_function(attr_name, format_string, field)		\
-static DEVICE_ATTR(attr_name, S_IRUGO, mwave_show_##attr_name, NULL)
-
-mwave_dev_rd_attr (3780i_dma, "%i\n", usDspDma);
-mwave_dev_rd_attr (3780i_irq, "%i\n", usDspIrq);
-mwave_dev_rd_attr (3780i_io, "%#.4x\n", usDspBaseIO);
-mwave_dev_rd_attr (uart_irq, "%i\n", usUartIrq);
-mwave_dev_rd_attr (uart_io, "%#.4x\n", usUartBaseIO);
-
-static struct device_attribute * const mwave_dev_attrs[] = {
-	&dev_attr_3780i_dma,
-	&dev_attr_3780i_irq,
-	&dev_attr_3780i_io,
-	&dev_attr_uart_irq,
-	&dev_attr_uart_io,
-};
-#endif
-
 /*
 * mwave_init is called on module load
 *
@@ -540,17 +504,6 @@ static void mwave_exit(void)
 
 	PRINTK_1(TRACE_MWAVE, "mwavedd::mwave_exit entry\n");
 
-#if 0
-	for (i = 0; i < pDrvData->nr_registered_attrs; i++)
-		device_remove_file(&mwave_device, mwave_dev_attrs[i]);
-	pDrvData->nr_registered_attrs = 0;
-
-	if (pDrvData->device_registered) {
-		device_unregister(&mwave_device);
-		pDrvData->device_registered = false;
-	}
-#endif
-
 	if ( pDrvData->sLine >= 0 ) {
 		serial8250_unregister_port(pDrvData->sLine);
 	}
@@ -667,26 +620,6 @@ static int __init mwave_init(void)
 	}
 	/* uart is registered */
 
-#if 0
-	/* sysfs */
-	memset(&mwave_device, 0, sizeof (struct device));
-	dev_set_name(&mwave_device, "mwave");
-
-	if (device_register(&mwave_device))
-		goto cleanup_error;
-	pDrvData->device_registered = true;
-	for (i = 0; i < ARRAY_SIZE(mwave_dev_attrs); i++) {
-		if(device_create_file(&mwave_device, mwave_dev_attrs[i])) {
-			PRINTK_ERROR(KERN_ERR_MWAVE
-					"mwavedd:mwave_init: Error:"
-					" Failed to create sysfs file %s\n",
-					mwave_dev_attrs[i]->attr.name);
-			goto cleanup_error;
-		}
-		pDrvData->nr_registered_attrs++;
-	}
-#endif
-
 	/* SUCCESS! */
 	return 0;
 

drivers/char/mwave/smapi.c

@@ -513,28 +513,6 @@ int smapi_set_DSP_power_state(bool bOn)
 	return bRC;
 }
 
-#if 0
-static int SmapiQuerySystemID(void)
-{
-	int bRC = -EIO;
-	unsigned short usAX = 0xffff, usBX = 0xffff, usCX = 0xffff,
-		usDX = 0xffff, usDI = 0xffff, usSI = 0xffff;
-
-	printk("smapi::SmapiQUerySystemID entry\n");
-	bRC = smapi_request(0x0000, 0, 0, 0,
-		&usAX, &usBX, &usCX, &usDX, &usDI, &usSI);
-
-	if (bRC == 0) {
-		printk("AX=%x, BX=%x, CX=%x, DX=%x, DI=%x, SI=%x\n",
-			usAX, usBX, usCX, usDX, usDI, usSI);
-	} else {
-		printk("smapi::SmapiQuerySystemID smapi_request error\n");
-	}
-
-	return bRC;
-}
-#endif  /*  0  */
-
 int smapi_init(void)
 {
 	int retval = -EIO;