HID: intel-ish-hid: Remove unused ishtp_cl_get_tx_*

ishtp_cl_get_tx_free_buffer_size() and ishtp_cl_get_tx_free_rings()
were added in 2018 by
commit 18c0b54 ("HID: intel_ish-hid: Enhance API to get ring buffer
sizes")
but have remained unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

Author: Dr. David Alan Gilbert

drivers/hid/intel-ish-hid/ishtp/client.c

@@ -14,25 +14,6 @@
 #include "hbm.h"
 #include "client.h"
 
-int ishtp_cl_get_tx_free_buffer_size(struct ishtp_cl *cl)
-{
-	unsigned long tx_free_flags;
-	int size;
-
-	spin_lock_irqsave(&cl->tx_free_list_spinlock, tx_free_flags);
-	size = cl->tx_ring_free_size * cl->device->fw_client->props.max_msg_length;
-	spin_unlock_irqrestore(&cl->tx_free_list_spinlock, tx_free_flags);
-
-	return size;
-}
-EXPORT_SYMBOL(ishtp_cl_get_tx_free_buffer_size);
-
-int ishtp_cl_get_tx_free_rings(struct ishtp_cl *cl)
-{
-	return cl->tx_ring_free_size;
-}
-EXPORT_SYMBOL(ishtp_cl_get_tx_free_rings);
-
 /**
  * ishtp_read_list_flush() - Flush read queue
  * @cl: ishtp client instance

drivers/hid/intel-ish-hid/ishtp/client.h

@@ -120,8 +120,6 @@ int ishtp_cl_alloc_rx_ring(struct ishtp_cl *cl);
 int ishtp_cl_alloc_tx_ring(struct ishtp_cl *cl);
 void ishtp_cl_free_rx_ring(struct ishtp_cl *cl);
 void ishtp_cl_free_tx_ring(struct ishtp_cl *cl);
-int ishtp_cl_get_tx_free_buffer_size(struct ishtp_cl *cl);
-int ishtp_cl_get_tx_free_rings(struct ishtp_cl *cl);
 
 /* DMA I/F functions */
 void recv_ishtp_cl_msg_dma(struct ishtp_device *dev, void *msg,